diff --git a/topics/appendix/resources/explore_api.md b/topics/appendix/resources/explore_api.md
index 2af173a34..76263f2dd 100644
--- a/topics/appendix/resources/explore_api.md
+++ b/topics/appendix/resources/explore_api.md
@@ -2,6 +2,10 @@
# Explore the IntelliJ Platform API
+
+Strategies and tools for exploring the IntelliJ Platform API, navigate extension points, search code, and find examples.
+
+
Strategies and tools for exploring the API.
Sometimes it can be challenging to implement plugin features for the IntelliJ Platform,
diff --git a/topics/basics/ide_infrastructure.md b/topics/basics/ide_infrastructure.md
index fd4dc601b..645d40b55 100644
--- a/topics/basics/ide_infrastructure.md
+++ b/topics/basics/ide_infrastructure.md
@@ -1,7 +1,11 @@
-
+
# IDE Infrastructure
+
+How to log messages, report errors, access runtime info, help users report fatal errors, and manage plugins in your IDE.
+
+
General IDE-level functionality (logging, error reporting, environment/installation info).
### Logging
diff --git a/topics/basics/persisting_state_of_components.md b/topics/basics/persisting_state_of_components.md
index c72b11246..bd62ebe92 100644
--- a/topics/basics/persisting_state_of_components.md
+++ b/topics/basics/persisting_state_of_components.md
@@ -4,6 +4,10 @@
+
+Persisting the state of components for IntelliJ Platform plugins and sharing settings between IDE installations.
+
+
Persisting data that is available after the IDE restarts and can be shared between different IDE installations.
The IntelliJ Platform provides an API that allows components or services to persist their state between restarts of the IDE.
diff --git a/topics/basics/settings.md b/topics/basics/settings.md
index 25d06bde7..432089a84 100644
--- a/topics/basics/settings.md
+++ b/topics/basics/settings.md
@@ -1,6 +1,10 @@
+
+
# Settings
-
+
+Configure and persist preferences of IntelliJ Platform plugins with the settings mechanism.
+
Settings mechanism allows users to configure and persist application- or project-level plugin preferences.
@@ -11,9 +15,9 @@
Settings are but one application of the IntelliJ Platform [Persistence Model](persistence.md).
-For more information, see:
-* [Settings Guide](settings_guide.md) for information about Settings Extension Points and implementations.
-* [Custom Settings Groups](settings_groups.md) for information about creating custom Settings groups and parent-child relationships.
-* [Settings Tutorial](settings_tutorial.md) for step-by-step instructions for creating a simple set of custom Settings.
+
+* [](settings_guide.md) for information about Settings Extension Points and implementations.
+* [](settings_groups.md) for information about creating custom Settings groups and parent-child relationships.
+* [](settings_tutorial.md) for step-by-step instructions for creating a simple set of custom Settings.