dotnet · BillWagner · Jul 17, 2020 · Jul 15, 2020
diff --git a/docs/framework/performance/jit-tracing-etw-events.md b/docs/framework/performance/jit-tracing-etw-events.md
@@ -1,5 +1,6 @@
 ---
 title: "JIT Tracing ETW Events"
+description: Understand just-in-time (JIT) tracing ETW events. These events collect information relating to the success or failure of JIT inlining and JIT tail calls.
 ms.date: "03/30/2017"
 helpviewer_keywords: 
   - "JIT tracing events [.NET Framework]"

diff --git a/docs/framework/performance/loader-etw-events.md b/docs/framework/performance/loader-etw-events.md
@@ -1,5 +1,6 @@
 ---
 title: "Loader ETW Events"
+description: Review loader ETW events, which include application domain events, CLR loader assembly events, module events, CLR domain module events, and module range events.
 ms.date: "03/30/2017"
 helpviewer_keywords: 
   - "loader events [.NET Framework]"

diff --git a/docs/framework/performance/method-etw-events.md b/docs/framework/performance/method-etw-events.md
@@ -1,5 +1,6 @@
 ---
 title: "Method ETW Events"
+description: See ETW events that collect information specific to methods, like CLR method events, CLR method marker or CLR method verbose events, and MethodJittingStarted.
 ms.date: "03/30/2017"
 helpviewer_keywords:
   - "ETW, method events (CLR)"

diff --git a/docs/framework/performance/performance-tips.md b/docs/framework/performance/performance-tips.md
@@ -1,5 +1,6 @@
 ---
 title: ".NET Performance Tips"
+description: Explore performance tips to improve the execution speed of a program in .NET. See tips for boxing and unboxing, strings, and destructors.
 ms.date: "03/30/2017"
 helpviewer_keywords: 
   - "C# language, performance"

diff --git a/docs/framework/performance/reliability-best-practices.md b/docs/framework/performance/reliability-best-practices.md
@@ -1,5 +1,6 @@
 ---
 title: "Reliability Best Practices"
+description: See best practices for reliability in .NET host-based server applications, such as SQL Server. Prevent them from leaking resources or getting brought down.
 ms.date: "03/30/2017"
 helpviewer_keywords:
   - "marking locks"

diff --git a/docs/framework/performance/reliability.md b/docs/framework/performance/reliability.md
@@ -1,5 +1,6 @@
 ---
 title: "Reliability"
+description: Understand reliability in .NET. Protect against asynchronous exceptions in hosts executing in .NET, such as SQL Server.
 ms.date: "03/30/2017"
 helpviewer_keywords: 
   - "SQL Server [.NET Framework]"

diff --git a/docs/framework/performance/runtime-information-etw-events.md b/docs/framework/performance/runtime-information-etw-events.md
@@ -1,5 +1,6 @@
 ---
 title: "Runtime Information ETW Events"
+description: See runtime information ETW events, which record the SKU, version number, how the runtime was activated (including command-line parameters), the GUID, and more.
 ms.date: "03/30/2017"
 helpviewer_keywords: 
   - "runtime information events [.NET Framework]"

diff --git a/docs/framework/performance/security-etw-events.md b/docs/framework/performance/security-etw-events.md
@@ -1,5 +1,6 @@
 ---
 title: "Security ETW Events"
+description: Understand security ETW events, which are raised during strong name verification and Authenticode verification in .NET.
 ms.date: "03/30/2017"
 helpviewer_keywords: 
   - "security events [.NET Framework]"

diff --git a/.../framework/performance/sql-server-programming-and-host-protection-attributes.md b/.../framework/performance/sql-server-programming-and-host-protection-attributes.md
@@ -1,5 +1,6 @@
 ---
 title: "SQL Server Programming and Host Protection Attributes"
+description: Get started with SQL Server programming and host protection attributes. Review SQL Server permission sets and programming model restrictions.
 ms.date: "03/30/2017"
 helpviewer_keywords: 
   - "SQL Server [.NET Framework]"

diff --git a/docs/framework/performance/stack-etw-event.md b/docs/framework/performance/stack-etw-event.md
@@ -1,5 +1,6 @@
 ---
 title: "Stack ETW Event"
+description: Read about the stack ETW event, which should be used in conjunction with other events to generate stack traces after an event is raised.
 ms.date: "03/30/2017"
 helpviewer_keywords: 
   - "stack event [.NET Framework]"

diff --git a/docs/framework/performance/thread-pool-etw-events.md b/docs/framework/performance/thread-pool-etw-events.md
@@ -1,5 +1,6 @@
 ---
 title: "Thread Pool ETW Events"
+description: Review thread pool ETW events, which collect information about threads in .NET. Thread pool events are worker thread pool events or I/O thread pool events.
 ms.date: "03/30/2017"
 helpviewer_keywords: 
   - "thread pool events [.NET Framework]"

diff --git a/docs/framework/performance/writing-large-responsive-apps.md b/docs/framework/performance/writing-large-responsive-apps.md
@@ -1,5 +1,6 @@
 ---
 title: "Writing Large, Responsive .NET Framework Apps"
+description: Write large, responsive .NET apps, or apps that process a large amount of data, such as files or databases.
 ms.date: "03/30/2017"
 ms.assetid: 123457ac-4223-4273-bb58-3bc0e4957e9d
 author: "BillWagner"

diff --git a/docs/framework/reflection-and-codedom/accessing-custom-attributes.md b/docs/framework/reflection-and-codedom/accessing-custom-attributes.md
@@ -1,5 +1,6 @@
 ---
 title: "Accessing Custom Attributes"
+description: Access custom attributes in .NET. After attributes have been associated with program elements, you can use reflection to query their existence and values.
 ms.date: "03/30/2017"
 dev_langs: 
   - "csharp"

diff --git a/docs/framework/reflection-and-codedom/collectible-assemblies.md b/docs/framework/reflection-and-codedom/collectible-assemblies.md
@@ -1,6 +1,6 @@
 ---
 title: Collectible assemblies for dynamic type generation
-description: 
+description: Get started with collectible assemblies for dynamic type generation in .NET. Read about collectible assembly lifetimes and restrictions.
 ms.date: "08/29/2017"
 helpviewer_keywords: 
   - "reflection, dynamic assembly"

diff --git a/docs/framework/reflection-and-codedom/dynamic-language-runtime-overview.md b/docs/framework/reflection-and-codedom/dynamic-language-runtime-overview.md
@@ -1,5 +1,6 @@
 ---
 title: "Dynamic Language Runtime Overview | Microsoft Docs"
+description: Read an overview of the dynamic language runtime (DLR) in .NET. The DLR is a runtime environment that adds a set of services for dynamic languages to the CLR.
 ms.date: "03/30/2017"
 helpviewer_keywords:
   - "dynamic language runtime"

diff --git a/...mework/reflection-and-codedom/dynamic-source-code-generation-and-compilation.md b/...mework/reflection-and-codedom/dynamic-source-code-generation-and-compilation.md
@@ -1,5 +1,6 @@
 ---
 title: "Dynamic Source Code Generation and Compilation"
+description: Compile and generate dynamic source code in .NET with the Code Document Object Model (CodeDOM). CodeDOM elements are linked to form a CodeDOM graph.
 ms.date: "03/30/2017"
 helpviewer_keywords: 
   - "Code Document Object Model"

diff --git a/docs/framework/reflection-and-codedom/dynamically-loading-and-using-types.md b/docs/framework/reflection-and-codedom/dynamically-loading-and-using-types.md
@@ -1,5 +1,6 @@
 ---
 title: "Dynamically Loading and Using Types"
+description: Dynamically load and use types in .NET. Use reflection, which provides infrastructure used by language compilers to implement implicit late binding.
 ms.date: "03/30/2017"
 dev_langs: 
   - "csharp"

diff --git a/docs/framework/reflection-and-codedom/emitting-dynamic-methods-and-assemblies.md b/docs/framework/reflection-and-codedom/emitting-dynamic-methods-and-assemblies.md
@@ -1,5 +1,6 @@
 ---
 title: "Emitting Dynamic Methods and Assemblies"
+description: Emit dynamic methods and assemblies using the System.Reflection.Emit namespace, which allows a compiler or tool to emit metadata and MSIL code at run time.
 ms.date: "08/30/2017"
 helpviewer_keywords: 
   - "reflection emit"

diff --git a/...ection-and-codedom/generating-and-compiling-source-code-from-a-codedom-graph.md b/...ection-and-codedom/generating-and-compiling-source-code-from-a-codedom-graph.md
@@ -1,5 +1,6 @@
 ---
 title: "Generating and Compiling Source Code from a CodeDOM Graph"
+description: Generate and compile source code from a CodeDOM graph in .NET. Use a CodeDOM code provider to generate source code and compile assemblies.
 ms.date: "03/30/2017"
 dev_langs: 
   - "csharp"

diff --git a/docs/framework/reflection-and-codedom/index.md b/docs/framework/reflection-and-codedom/index.md
@@ -1,5 +1,6 @@
 ---
 title: "Dynamic Programming in the .NET Framework"
+description: See links to articles about dynamic programming in .NET. The articles cover reflection, emitting dynamic methods and assemblies, and more.
 ms.date: "03/30/2017"
 helpviewer_keywords: 
   - ".NET Framework, dynamic programming"