Loosely speaking, a macro is like remote control for WordPerfect. Having learned basic WordPerfect skills, now you can add convenience by automating tasks through macros. I like to think of a macro as a package of keystrokes. Then, you can play it back any time you need to repeat that task. You get to create your own macros to perform your own very specific tasks.
Many simple macros are tremendous timesavers.
Common examples include macros to type a phrase or paragraph, begin a letter or memo, format an envelope, save the file, or print the current page. All the commands a macro uses and the functions it performs are conveniently and invisibly packaged up into the macro. Life is so much simpler, for example, when you can press a button and out comes a properly addressed envelope from your printer. Besides reducing the knowledge requirement, macros also simplify the raw amount of keyboard pounding. As repetitive stress injuries such as carpal tunnel syndrome become a more visible and costly problem, macros offer an ever more important tool for reducing keystrokes.