Ms. Word is a program that allows users to create documents like letters and memos. The document discusses how to start Ms. Word and describes the various parts of the Ms. Word interface like the ribbon, quick access toolbar, and status bar. It also explains how to perform common formatting tasks in Ms. Word like changing font styles, cutting and pasting text, aligning paragraphs, adding headers and footers, and using page layout features. The document concludes with examples of activities like inserting a picture and adding a button to the quick access toolbar.