For information about designing an activity structure and navigation, read the design guidelines
+for App Structure and
+Navigation, or the developer guide
+about Tasks and Back Stack.
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diff --git a/docs/html/guide/practices/ui_guidelines/index.jd b/docs/html/guide/practices/ui_guidelines/index.jd
index 325527536b65a..24fb8554ae24c 100644
--- a/docs/html/guide/practices/ui_guidelines/index.jd
+++ b/docs/html/guide/practices/ui_guidelines/index.jd
@@ -39,26 +39,6 @@ at a glance, on a user's Home screen. These design guidelines describe how to
design widgets that fit with others on the Home screen. They include links to
graphics files and templates that will make your designer's life easier.
-
Activities are the basic, independent building blocks of applications.
- As you design your application's UI and feature set, you are free to
- re-use activities from other applications as if they were yours,
- to enrich and extend your application. These guidelines
- describe how activities work, illustrates them with examples, and
- describes important underlying principles and mechanisms, such as
- multitasking, activity reuse, intents, the activity stack, and
- tasks. It covers this all from a high-level design perspective.
-
Android applications make use of Option menus and Context menus
- that enable users to perform operations and navigate to other parts
- of your application or to other applications. These guidelines describe
- the difference between Options anontext menus, how to arrange
- menu items, when to put commands on-screen, and other details about
- menu design.
-