Merge pull request #414 from leonard-thieu/patch-2

[MSBuild Concepts] Describe items page in items description

Author: Mikejo5000

docs/msbuild/msbuild-concepts.md

@@ -26,12 +26,12 @@ ms.workload:
 |Title|Description|  
 |-----------|-----------------|  
 |[MSBuild Properties](../msbuild/msbuild-properties.md)|Introduces properties and property collections. Properties are key/value pairs that you can use to configure builds.|  
-|[Items](../msbuild/msbuild-items.md)|Describes the general concepts behind the [!INCLUDE[vstecmsbuild](../extensibility/internals/includes/vstecmsbuild_md.md)] file format and how the pieces fit together.|  
-|[Targets](../msbuild/msbuild-targets.md)|Explains how to group tasks together in a particular order and enable sections of the build process to be called on the command line.|  
-|[Tasks](../msbuild/msbuild-tasks.md)|Shows how to create a unit of executable code that can be used by [!INCLUDE[vstecmsbuild](../extensibility/internals/includes/vstecmsbuild_md.md)] to perform atomic build operations.|  
+|[MSBuild Items](../msbuild/msbuild-items.md)|Introduces items and item collections. Items are inputs into the build system and typically represent files.|  
+|[MSBuild Targets](../msbuild/msbuild-targets.md)|Explains how to group tasks together in a particular order and enable sections of the build process to be called on the command line.|  
+|[MSBuild Tasks](../msbuild/msbuild-tasks.md)|Shows how to create a unit of executable code that can be used by [!INCLUDE[vstecmsbuild](../extensibility/internals/includes/vstecmsbuild_md.md)] to perform atomic build operations.|  
 |[Comparing Properties and Items](../msbuild/comparing-properties-and-items.md)|Compares MSBuild properties and items. Both are used to pass information to tasks, evaluate conditions, and store values that can be referenced throughout the project file.|  
 |[MSBuild Special Characters](../msbuild/msbuild-special-characters.md)|Explains how to escape some characters that [!INCLUDE[vstecmsbuild](../extensibility/internals/includes/vstecmsbuild_md.md)] reserves for special use in specific contexts.|  
 |[Walkthrough: Creating an MSBuild Project File from Scratch](../msbuild/walkthrough-creating-an-msbuild-project-file-from-scratch.md)|Shows how to create a basic project file incrementally, by using only a text editor.|  
 |[Walkthrough: Using MSBuild](../msbuild/walkthrough-using-msbuild.md)|Introduces the building blocks of MSBuild and shows how to write, manipulate, and debug MSBuild projects without closing the Visual Studio integrated development environment (IDE).|  
 |[MSBuild Reference](../msbuild/msbuild-reference.md)|Links to documents that contain reference information.|  
-|[MSBuild](../msbuild/msbuild.md)|Presents an overview of the XML schema for a project file and shows how it controls processes that builds software.|
+|[MSBuild](../msbuild/msbuild.md)|Presents an overview of the XML schema for a project file and shows how it controls processes that builds software.|