Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Vertical axis is percentage of total resources of the specified target users. Horizontal represents the Key Concept group in question. (Blue) Text. (Red) Audio. (Grey) Videos. (Yellow) Websites. (Purple) Cartoons. (Green) Lessons.
