config: Canonicalize @defgroup and @file comments

Adjust group identifier and names to be in line with a common pattern.
Use common phrases for the group and file brief descriptions.

Update #3706.

39 files changed, 118 insertions, 73 deletions

diff --git a/cpukit/include/rtems/confdefs.h b/cpukit/include/rtems/confdefs.h
index fb4a7b9800..e6dd3d70ee 100644
--- a/cpukit/include/rtems/confdefs.h
+++ b/cpukit/include/rtems/confdefs.h
@@ -3,14 +3,15 @@
 /**
  * @file
  *
- * @ingroup RTEMSApplicationConfiguration
+ * @ingroup RTEMSApplConfig
  *
- * @brief Evaluate Configuration Options
+ * @brief This header file evaluates the application configuration options
+ *   defined by the application.
  *
  * This header file includes a couple of header files which evaluate the
  * configuration options specified by the application.  The macros and defines
- * used to configure the system are documented in the Configuring a System
- * chapter of the Classic API User's Guide.
+ * used to configure the system are documented in @ref RTEMSApplConfig and the
+ * "Configuring a System" chapter of the "RTEMS Classic API User's Guide".
  */
 
 /*
@@ -43,14 +44,12 @@
 #define __CONFIGURATION_TEMPLATE_h
 
 /**
- * @defgroup RTEMSApplicationConfiguration Application Configuration
+ * @defgroup RTEMSImplApplConfig Application Configuration
  *
  * @ingroup RTEMSImpl
  *
- * @brief Evaluation of Application Configuration Options
- *
- * This group contains header files which evaluate the configuration options
- * specified by the application.
+ * @brief The application configuration defines system parameters according to
+ *   configuration options (defines) provided by the application.
  *
  * @{
  */
diff --git a/cpukit/include/rtems/confdefs/bdbuf.h b/cpukit/include/rtems/confdefs/bdbuf.h
index bef1cb8072..79e991f6d9 100644
--- a/cpukit/include/rtems/confdefs/bdbuf.h
+++ b/cpukit/include/rtems/confdefs/bdbuf.h
@@ -3,9 +3,10 @@
 /**
  * @file
  *
- * @ingroup RTEMSApplicationConfiguration
+ * @ingroup RTEMSImplApplConfig
  *
- * @brief Evaluate Block Device Cache Configuration Options
+ * @brief This header file evaluates configuration options related to the block
+ *   device cache configuration.
  *
  * It defines
  *
diff --git a/cpukit/include/rtems/confdefs/bsp.h b/cpukit/include/rtems/confdefs/bsp.h
index a9a32348d6..03ad9bf55f 100644
--- a/cpukit/include/rtems/confdefs/bsp.h
+++ b/cpukit/include/rtems/confdefs/bsp.h
@@ -3,9 +3,10 @@
 /**
  * @file
  *
- * @ingroup RTEMSApplicationConfiguration
+ * @ingroup RTEMSImplApplConfig
  *
- * @brief Evaluate BSP Related Configuration Options
+ * @brief This header file evaluates configuration options related to the BSP
+ *   configuration.
  */
 
 /*
diff --git a/cpukit/include/rtems/confdefs/clock.h b/cpukit/include/rtems/confdefs/clock.h
index 1c70ca0019..4e86ec5d02 100644
--- a/cpukit/include/rtems/confdefs/clock.h
+++ b/cpukit/include/rtems/confdefs/clock.h
@@ -3,9 +3,10 @@
 /**
  * @file
  *
- * @ingroup RTEMSApplicationConfiguration
+ * @ingroup RTEMSImplApplConfig
  *
- * @brief Evaluate Clock Configuration Options
+ * @brief This header file evaluates configuration options related to the clock
+ *   driver configuration.
  */
 
 /*
diff --git a/cpukit/include/rtems/confdefs/console.h b/cpukit/include/rtems/confdefs/console.h
index 1e40811279..f4ee59feea 100644
--- a/cpukit/include/rtems/confdefs/console.h
+++ b/cpukit/include/rtems/confdefs/console.h
@@ -3,9 +3,10 @@
 /**
  * @file
  *
- * @ingroup RTEMSApplicationConfiguration
+ * @ingroup RTEMSImplApplConfig
  *
- * @brief Evaluate Console Driver Configuration Options
+ * @brief This header file evaluates configuration options related to the
+ *   console driver configuration.
  */
 
 /*
diff --git a/cpukit/include/rtems/confdefs/extensions.h b/cpukit/include/rtems/confdefs/extensions.h
index 15472fa86f..83d690d50a 100644
--- a/cpukit/include/rtems/confdefs/extensions.h
+++ b/cpukit/include/rtems/confdefs/extensions.h
@@ -3,9 +3,10 @@
 /**
  * @file
  *
- * @ingroup RTEMSApplicationConfiguration
+ * @ingroup RTEMSImplApplConfig
  *
- * @brief Evaluate User Extensions Configuration Options
+ * @brief This header file evaluates configuration options related to the user
+ *   extensions configuration.
  */
 
 /*
diff --git a/cpukit/include/rtems/confdefs/inittask.h b/cpukit/include/rtems/confdefs/inittask.h
index 3f76bee223..d5ba521bf9 100644
--- a/cpukit/include/rtems/confdefs/inittask.h
+++ b/cpukit/include/rtems/confdefs/inittask.h
@@ -3,9 +3,10 @@
 /**
  * @file
  *
- * @ingroup RTEMSApplicationConfiguration
+ * @ingroup RTEMSImplApplConfig
  *
- * @brief Evaluate User Initialization Task Configuration Options
+ * @brief This header file evaluates configuration options related to the
+ *   Classic API initialization task configuration.
  *
  * This header file defines _CONFIGURE_INIT_TASK_STACK_EXTRA for use by other
  * configuration header files.
diff --git a/cpukit/include/rtems/confdefs/initthread.h b/cpukit/include/rtems/confdefs/initthread.h
index 6c993603a6..2b3d957515 100644
--- a/cpukit/include/rtems/confdefs/initthread.h
+++ b/cpukit/include/rtems/confdefs/initthread.h
@@ -3,9 +3,10 @@
 /**
  * @file
  *
- * @ingroup RTEMSApplicationConfiguration
+ * @ingroup RTEMSImplApplConfig
  *
- * @brief Evaluate POSIX Initialization Thread Configuration Options
+ * @brief This header file evaluates configuration options related to the POSIX
+ *   initialization thread configuration.
  *
  * This header file defines _CONFIGURE_POSIX_INIT_THREAD_STACK_EXTRA for use by
  * other configuration header files.
diff --git a/cpukit/include/rtems/confdefs/iodrivers.h b/cpukit/include/rtems/confdefs/iodrivers.h
index 7586fb0eb1..e12640624d 100644
--- a/cpukit/include/rtems/confdefs/iodrivers.h
+++ b/cpukit/include/rtems/confdefs/iodrivers.h
@@ -3,9 +3,10 @@
 /**
  * @file
  *
- * @ingroup RTEMSApplicationConfiguration
+ * @ingroup RTEMSImplApplConfig
  *
- * @brief Evaluate IO Driver Configuration Options
+ * @brief This header file evaluates configuration options related to the I/O
+ *   driver configuration.
  */
 
 /*
diff --git a/cpukit/include/rtems/confdefs/libio.h b/cpukit/include/rtems/confdefs/libio.h
index 8f43c490b1..16a4fb6962 100644
--- a/cpukit/include/rtems/confdefs/libio.h
+++ b/cpukit/include/rtems/confdefs/libio.h
@@ -3,9 +3,10 @@
 /**
  * @file
  *
- * @ingroup RTEMSApplicationConfiguration
+ * @ingroup RTEMSImplApplConfig
  *
- * @brief Evaluate IO Library Configuration Options
+ * @brief This header file evaluates configuration options related to the I/O
+ *   library configuration.
  */
 
 /*
diff --git a/cpukit/include/rtems/confdefs/libpci.h b/cpukit/include/rtems/confdefs/libpci.h
index 05731f5686..fb30eacdfa 100644
--- a/cpukit/include/rtems/confdefs/libpci.h
+++ b/cpukit/include/rtems/confdefs/libpci.h
@@ -9,9 +9,10 @@
 /**
  * @file
  *
- * @ingroup RTEMSApplicationConfiguration
+ * @ingroup RTEMSImplApplConfig
  *
- * @brief This header file evaluates PCI library configuration options.
+ * @brief This header file evaluates configuration options related to the PCI
+ *   library configuration.
  */
 
 #ifndef _RTEMS_CONFDEFS_LIBPCI_H
diff --git a/cpukit/include/rtems/confdefs/malloc.h b/cpukit/include/rtems/confdefs/malloc.h
index 4cd804023f..d864a98270 100644
--- a/cpukit/include/rtems/confdefs/malloc.h
+++ b/cpukit/include/rtems/confdefs/malloc.h
@@ -3,9 +3,10 @@
 /**
  * @file
  *
- * @ingroup RTEMSApplicationConfiguration
+ * @ingroup RTEMSImplApplConfig
  *
- * @brief Evaluate C Program Heap Configuration Options
+ * @brief This header file evaluates configuration options related to the C
+ *   Program Heap configuration.
  */
 
 /*
diff --git a/cpukit/include/rtems/confdefs/mpci.h b/cpukit/include/rtems/confdefs/mpci.h
index 0a9be4a2ea..76bdf4af16 100644
--- a/cpukit/include/rtems/confdefs/mpci.h
+++ b/cpukit/include/rtems/confdefs/mpci.h
@@ -3,9 +3,10 @@
 /**
  * @file
  *
- * @ingroup RTEMSApplicationConfiguration
+ * @ingroup RTEMSImplApplConfig
  *
- * @brief Evaluate MPCI Configuration Options
+ * @brief This header file evaluates configuration options related to the MPCI
+ *   configuration.
  */
 
 /*
diff --git a/cpukit/include/rtems/confdefs/newlib.h b/cpukit/include/rtems/confdefs/newlib.h
index c535e998f5..96bf850163 100644
--- a/cpukit/include/rtems/confdefs/newlib.h
+++ b/cpukit/include/rtems/confdefs/newlib.h
@@ -3,9 +3,10 @@
 /**
  * @file
  *
- * @ingroup RTEMSApplicationConfiguration
+ * @ingroup RTEMSImplApplConfig
  *
- * @brief Evaluate Newlib Configuration Options
+ * @brief This header file evaluates configuration options related to the
+ *   Newlib C Library configuration.
  *
  * This header file defines _CONFIGURE_ENABLE_NEWLIB_REENTRANCY for use by other
  * configuration header files.
diff --git a/cpukit/include/rtems/confdefs/objectsclassic.h b/cpukit/include/rtems/confdefs/objectsclassic.h
index ae5ea254fd..ff6f79a30b 100644
--- a/cpukit/include/rtems/confdefs/objectsclassic.h
+++ b/cpukit/include/rtems/confdefs/objectsclassic.h
@@ -3,9 +3,10 @@
 /**
  * @file
  *
- * @ingroup RTEMSApplicationConfiguration
+ * @ingroup RTEMSImplApplConfig
  *
- * @brief Evaluate Classic API Objects Configuration Options
+ * @brief This header file evaluates configuration options related to the
+ *   Classic API objects configuration.
  *
  * For the task objects configuration see <rtems/confdefs/threads.h>.
  */
diff --git a/cpukit/include/rtems/confdefs/objectsposix.h b/cpukit/include/rtems/confdefs/objectsposix.h
index 8e8d1794ac..b4685c28f7 100644
--- a/cpukit/include/rtems/confdefs/objectsposix.h
+++ b/cpukit/include/rtems/confdefs/objectsposix.h
@@ -3,9 +3,10 @@
 /**
  * @file
  *
- * @ingroup RTEMSApplicationConfiguration
+ * @ingroup RTEMSImplApplConfig
  *
- * @brief Evaluate POSIX API Objects Configuration Options
+ * @brief This header file evaluates configuration options related to the POSIX
+ *   API objects configuration.
  *
  * For the POSIX thread objects configuration see <rtems/confdefs/threads.h>.
  */
diff --git a/cpukit/include/rtems/confdefs/obsolete.h b/cpukit/include/rtems/confdefs/obsolete.h
index 00c6e26101..b8b041efb5 100644
--- a/cpukit/include/rtems/confdefs/obsolete.h
+++ b/cpukit/include/rtems/confdefs/obsolete.h
@@ -3,9 +3,10 @@
 /**
  * @file
  *
- * @ingroup RTEMSApplicationConfiguration
+ * @ingroup RTEMSImplApplConfig
  *
- * @brief Evaluate Obsolete Configuration Options
+ * @brief This header file evaluates configuration options related to obsolete
+ *   configuration options.
  */
 
 /*
diff --git a/cpukit/include/rtems/confdefs/percpu.h b/cpukit/include/rtems/confdefs/percpu.h
index f3a9a4f3e7..badb616988 100644
--- a/cpukit/include/rtems/confdefs/percpu.h
+++ b/cpukit/include/rtems/confdefs/percpu.h
@@ -3,9 +3,10 @@
 /**
  * @file
  *
- * @ingroup RTEMSApplicationConfiguration
+ * @ingroup RTEMSImplApplConfig
  *
- * @brief Evaluate Per-CPU Configuration Options
+ * @brief This header file evaluates configuration options related to the
+ *   per-CPU configuration.
  *
  * Since the idle thread stack size (CONFIGURE_IDLE_TASK_STACK_SIZE) depends on
  * CONFIGURE_MINIMUM_TASK_STACK_SIZE, the POSIX-specific
diff --git a/cpukit/include/rtems/confdefs/scheduler.h b/cpukit/include/rtems/confdefs/scheduler.h
index 9305fc2d90..84ca810fd7 100644
--- a/cpukit/include/rtems/confdefs/scheduler.h
+++ b/cpukit/include/rtems/confdefs/scheduler.h
@@ -3,9 +3,10 @@
 /**
  * @file
  *
- * @ingroup RTEMSApplicationConfiguration
+ * @ingroup RTEMSImplApplConfig
  *
- * @brief Evaluate Scheduler Configuration Options
+ * @brief This header file evaluates configuration options related to the
+ *   scheduler configuration.
  */
 
 /*
diff --git a/cpukit/include/rtems/confdefs/threads.h b/cpukit/include/rtems/confdefs/threads.h
index 8f72407695..97508068e2 100644
--- a/cpukit/include/rtems/confdefs/threads.h
+++ b/cpukit/include/rtems/confdefs/threads.h
@@ -3,9 +3,10 @@
 /**
  * @file
  *
- * @ingroup RTEMSApplicationConfiguration
+ * @ingroup RTEMSImplApplConfig
  *
- * @brief Evaluate Thread Configuration Options
+ * @brief This header file evaluates configuration options related to the
+ *   thread configuration.
  */
 
 /*
diff --git a/cpukit/include/rtems/confdefs/unlimited.h b/cpukit/include/rtems/confdefs/unlimited.h
index 3f0c66b459..41e79af1ba 100644
--- a/cpukit/include/rtems/confdefs/unlimited.h
+++ b/cpukit/include/rtems/confdefs/unlimited.h
@@ -3,9 +3,10 @@
 /**
  * @file
  *
- * @ingroup RTEMSApplicationConfiguration
+ * @ingroup RTEMSImplApplConfig
  *
- * @brief Evaluate Unlimited Objects Configuration Options
+ * @brief This header file evaluates configuration options related to the
+ *   unlimited objects configuration.
  */
 
 /*
diff --git a/cpukit/include/rtems/confdefs/wkspace.h b/cpukit/include/rtems/confdefs/wkspace.h
index a08823fa17..39014d7f1d 100644
--- a/cpukit/include/rtems/confdefs/wkspace.h
+++ b/cpukit/include/rtems/confdefs/wkspace.h
@@ -3,9 +3,10 @@
 /**
  * @file
  *
- * @ingroup RTEMSApplicationConfiguration
+ * @ingroup RTEMSImplApplConfig
  *
- * @brief Evaluate Workspace Configuration Options
+ * @brief This header file evaluates configuration options related to the RTEMS
+ *   Workspace configuration.
  */
 
 /*
diff --git a/cpukit/include/rtems/confdefs/wkspacesupport.h b/cpukit/include/rtems/confdefs/wkspacesupport.h
index 3dfb3b0d79..4036a7ae7f 100644
--- a/cpukit/include/rtems/confdefs/wkspacesupport.h
+++ b/cpukit/include/rtems/confdefs/wkspacesupport.h
@@ -3,9 +3,10 @@
 /**
  * @file
  *
- * @ingroup RTEMSApplicationConfiguration
+ * @ingroup RTEMSImplApplConfig
  *
- * @brief Configuration Options Workspace Support Macros
+ * @brief This header file provides support macros to evaluate configuration
+ *   options related to the RTEMS Workspace configuration.
  */
 
 /*
diff --git a/cpukit/include/rtems/extensiondata.h b/cpukit/include/rtems/extensiondata.h
index 63614329af..8872e2c569 100644
--- a/cpukit/include/rtems/extensiondata.h
+++ b/cpukit/include/rtems/extensiondata.h
@@ -3,7 +3,8 @@
  *
  * @ingroup RTEMSImplClassicUserExt
  *
- * @brief Classic User Extensions Data Structures
+ * @brief This header file provides data structures used by the implementation
+ *   and the @ref RTEMSImplApplConfig to define ::_Extension_Information.
  */
 
 /*
diff --git a/cpukit/include/rtems/rtems/asrdata.h b/cpukit/include/rtems/rtems/asrdata.h
index 2ff1ac87c0..caf29a0863 100644
--- a/cpukit/include/rtems/rtems/asrdata.h
+++ b/cpukit/include/rtems/rtems/asrdata.h
@@ -3,7 +3,9 @@
  *
  * @ingroup RTEMSImplClassicASR
  *
- * @brief Classic ASR Data Structures
+ * @brief This header file provides data structures used by the implementation
+ *   and the @ref RTEMSImplApplConfig to ultimately define
+ *   ::Thread_Configured_control.
  */
 
 /* COPYRIGHT (c) 1989-2013.
diff --git a/cpukit/include/rtems/rtems/barrierdata.h b/cpukit/include/rtems/rtems/barrierdata.h
index 256afddf30..b449186a59 100644
--- a/cpukit/include/rtems/rtems/barrierdata.h
+++ b/cpukit/include/rtems/rtems/barrierdata.h
@@ -3,7 +3,8 @@
  *
  * @ingroup RTEMSImplClassicBarrier
  *
- * @brief Classic Barrier Manager Data Structures
+ * @brief This header file provides data structures used by the implementation
+ *   and the @ref RTEMSImplApplConfig to define ::_Barrier_Information.
  */
 
 
diff --git a/cpukit/include/rtems/rtems/dpmemdata.h b/cpukit/include/rtems/rtems/dpmemdata.h
index ce4cf2dbf6..5303b8623a 100644
--- a/cpukit/include/rtems/rtems/dpmemdata.h
+++ b/cpukit/include/rtems/rtems/dpmemdata.h
@@ -3,7 +3,9 @@
  *
  * @ingroup RTEMSImplClassicDPMem
  *
- * @brief Classic Dual Ported Memory Manager Data Structures
+ * @brief This header file provides data structures used by the implementation
+ *   and the @ref RTEMSImplApplConfig to define
+ *   ::_Dual_ported_memory_Information.
  */
 
 /* COPYRIGHT (c) 1989-2008.
diff --git a/cpukit/include/rtems/rtems/eventdata.h b/cpukit/include/rtems/rtems/eventdata.h
index 650c3d544a..7078cc2248 100644
--- a/cpukit/include/rtems/rtems/eventdata.h
+++ b/cpukit/include/rtems/rtems/eventdata.h
@@ -3,8 +3,9 @@
  *
  * @ingroup RTEMSImplClassicEvent
  *
- * @brief This header file provides the API used by the Application
- *   Configuration to define the configured Thread Control Block (TCB).
+ * @brief This header file provides data structures used by the implementation
+ *   and the @ref RTEMSImplApplConfig to ultimately define
+ *   ::Thread_Configured_control.
  */
 
 /* COPYRIGHT (c) 1989-2008.
diff --git a/cpukit/include/rtems/rtems/messagedata.h b/cpukit/include/rtems/rtems/messagedata.h
index 83c3fcae87..ed74abf981 100644
--- a/cpukit/include/rtems/rtems/messagedata.h
+++ b/cpukit/include/rtems/rtems/messagedata.h
@@ -1,9 +1,10 @@
 /**
  * @file
  *
- * @ingroup ClassicMessageQueue
+ * @ingroup RTEMSImplClassicMessage
  *
- * @brief Classic Message Queue Manager API
+ * @brief This header file provides data structures used by the implementation
+ *   and the @ref RTEMSImplApplConfig to define ::_Message_queue_Information.
  */
 
 /* COPYRIGHT (c) 1989-2013.
diff --git a/cpukit/include/rtems/rtems/partdata.h b/cpukit/include/rtems/rtems/partdata.h
index 59daf5f002..73babd36f4 100644
--- a/cpukit/include/rtems/rtems/partdata.h
+++ b/cpukit/include/rtems/rtems/partdata.h
@@ -3,8 +3,8 @@
  *
  * @ingroup RTEMSImplClassicPartition
  *
- * @brief This header file provides the API used by the Application
- *   Configuration to define the Partition Manager information.
+ * @brief This header file provides data structures used by the implementation
+ *   and the @ref RTEMSImplApplConfig to define ::_Partition_Information.
  */
 
 /* COPYRIGHT (c) 1989-2008.
diff --git a/cpukit/include/rtems/rtems/ratemondata.h b/cpukit/include/rtems/rtems/ratemondata.h
index 3fd59e8986..f35fa7eb61 100644
--- a/cpukit/include/rtems/rtems/ratemondata.h
+++ b/cpukit/include/rtems/rtems/ratemondata.h
@@ -3,7 +3,8 @@
  *
  * @ingroup RTEMSImplClassicRateMonotonic
  *
- * @brief Classic Rate Monotonic Scheduler Data Structures
+ * @brief This header file provides data structures used by the implementation
+ *   and the @ref RTEMSImplApplConfig to define ::_Rate_monotonic_Information.
  */
 
 /* COPYRIGHT (c) 1989-2009, 2016.
diff --git a/cpukit/include/rtems/rtems/regiondata.h b/cpukit/include/rtems/rtems/regiondata.h
index 71cd833377..5852f4cb45 100644
--- a/cpukit/include/rtems/rtems/regiondata.h
+++ b/cpukit/include/rtems/rtems/regiondata.h
@@ -3,7 +3,8 @@
  *
  * @ingroup RTEMSImplClassicRegion
  *
- * @brief Classic Region Manager Data Structures
+ * @brief This header file provides data structures used by the implementation
+ *   and the @ref RTEMSImplApplConfig to define ::_Region_Information.
  */
 
 /* COPYRIGHT (c) 1989-2013.
diff --git a/cpukit/include/rtems/rtems/semdata.h b/cpukit/include/rtems/rtems/semdata.h
index e780ff40d7..2612f1a902 100644
--- a/cpukit/include/rtems/rtems/semdata.h
+++ b/cpukit/include/rtems/rtems/semdata.h
@@ -3,7 +3,8 @@
  *
  * @ingroup RTEMSImplClassicSemaphore
  *
- * @brief Classic Semaphore Manager Data Structures
+ * @brief This header file provides data structures used by the implementation
+ *   and the @ref RTEMSImplApplConfig to define ::_Semaphore_Information.
  */
 
 /*
diff --git a/cpukit/include/rtems/rtems/tasksdata.h b/cpukit/include/rtems/rtems/tasksdata.h
index ff9fceb1d9..fb15453e65 100644
--- a/cpukit/include/rtems/rtems/tasksdata.h
+++ b/cpukit/include/rtems/rtems/tasksdata.h
@@ -3,7 +3,10 @@
  *
  * @ingroup RTEMSImplClassicTask
  *
- * @brief Classic Tasks Manager Data Structures
+ * @brief This header file provides data structures used by the implementation
+ *   and the @ref RTEMSImplApplConfig to define the
+ *   ::_RTEMS_tasks_User_task_table, the ::_RTEMS_tasks_User_task_config,
+ *   ::_RTEMS_tasks_Information, and ultimately ::Thread_Configured_control.
  */
 
 /*
diff --git a/cpukit/include/rtems/rtems/timerdata.h b/cpukit/include/rtems/rtems/timerdata.h
index 6edbad2ba8..2a7cc03cb1 100644
--- a/cpukit/include/rtems/rtems/timerdata.h
+++ b/cpukit/include/rtems/rtems/timerdata.h
@@ -3,7 +3,8 @@
  *
  * @ingroup RTEMSImplClassicTimer
  *
- * @brief Classic Partition Manager Data Structures
+ * @brief This header file provides data structures used by the implementation
+ *   and the @ref RTEMSImplApplConfig to define ::_Timer_Information.
  */
 
 /*
diff --git a/cpukit/include/rtems/score/objectdata.h b/cpukit/include/rtems/score/objectdata.h
index 56a1b8eb13..952c150e1f 100644
--- a/cpukit/include/rtems/score/objectdata.h
+++ b/cpukit/include/rtems/score/objectdata.h
@@ -3,7 +3,10 @@
  *
  * @ingroup RTEMSScoreObject
  *
- * @brief Object Handler Data Structures
+ * @brief This header file provides data structures used by the implementation
+ *   and the @ref RTEMSImplApplConfig to define instances of
+ *   ::Objects_Information, ::_Objects_MP_Controls, and ultimately
+ *   ::Thread_Configured_control.
  */
 
 /*
diff --git a/cpukit/include/rtems/score/threadidledata.h b/cpukit/include/rtems/score/threadidledata.h
index 79ac020576..4f2a785ccd 100644
--- a/cpukit/include/rtems/score/threadidledata.h
+++ b/cpukit/include/rtems/score/threadidledata.h
@@ -3,7 +3,9 @@
  *
  * @ingroup RTEMSScoreThread
  *
- * @brief Constants for the idle threads.
+ * @brief This header file provides data structures used by the implementation
+ *   and the @ref RTEMSImplApplConfig to define ::_Thread_Idle_stack_size and
+ *   ::_Thread_Idle_body.
  */
 
 /*
diff --git a/cpukit/include/rtems/score/userextdata.h b/cpukit/include/rtems/score/userextdata.h
index 04dead889d..446c7e01dd 100644
--- a/cpukit/include/rtems/score/userextdata.h
+++ b/cpukit/include/rtems/score/userextdata.h
@@ -3,7 +3,10 @@
  *
  * @ingroup RTEMSScoreUserExt
  *
- * @brief User Extension Handler Data Structures
+ * @brief This header file provides data structures used by the implementation
+ *   and the @ref RTEMSImplApplConfig to define
+ *   ::_User_extensions_Initial_count, ::_User_extensions_Initial_extensions,
+ *   and ::_User_extensions_Initial_switch_controls.
  */
 
 /*
diff --git a/cpukit/include/rtems/score/wkspacedata.h b/cpukit/include/rtems/score/wkspacedata.h
index fd6fd1c1cb..3de4b02bd2 100644
--- a/cpukit/include/rtems/score/wkspacedata.h
+++ b/cpukit/include/rtems/score/wkspacedata.h
@@ -5,8 +5,9 @@
  *
  * @ingroup RTEMSScoreWorkspace
  *
- * @brief Constants defined by the application configuration for the idle
- * threads.
+ * @brief This header file provides data structures used by the implementation
+ *   and the @ref RTEMSImplApplConfig to define ::_Workspace_Size,
+ *   ::_Workspace_Is_unified, and ::_Workspace_Malloc_initializer.
  */
 
 /*