Definition of "Insert"
Insert
noun
plural Inserts
A key that when pressed switches between the overtype mode and the insert mode of a computer.
Quotations
Press INSERT one time. You will notice the mode indicator change to the other mode. Press INSERT again, and the indicator will return to the original mode. If necessary, press INSERT again so "Insert" appears as the mode.
1995, Daniel J. Fingerman, Lotus Word Pro 96 for Windows 95 Made Easy: The Basics and ..., Osborne McGraw-Hill