What is compression in computers?

Basically, Smaller files

Explanation:

Compression means to compress,so in case of computers the amount of 1's and 0's needed in a file in simple terms.

a few, because i should have plenty.

a macro is a tool that allows you to automate tasks and add functionality to your forms, reports, and controls. for example, if you add a command button to a form, you associate the button's onclick event to a macro, and the macro contains the commands that you want the button to perform each time it is clicked.