Problem of finding url block

MIT App Inventor Help
1

I can’t find the block that can open a URL.

2

For the webviewer or the web component ? (or the activity Starter to open the default browser on the device?)

3

Any will do

4

image

You can find the webviewer component in the User interface palette

5

You may find the documentation useful

http://appinventor.mit.edu/explore/library