On Fri, 12 Aug 2005 12:26:03 -0700, George wrote:

How do I type so it doesn't keep deleting what is already written in the
paragraph.

Look at the bottom... do you see "ovr" in black? Now toggle your
"insert" key - it should turn gray. When "ovr" is black, you're
overwriting text, when it's gray - you're not.