Jun 15, · Microsoft Word is a word processing application that allows you to create a variety of documents, including letters, resumes, and more. What is Microsoft Word parts and functions? Microsoft Word or MS - WORD (often called Word) is a Graphical word processing program that users can type with. Microsoft Office displays commands in a series of icons stored on different tabs. This combination of icons and tabs is known as the Ribbon interface, which appears in Word, PowerPoint, Excel, Outlook, and Access. The following tables show the commands grouped under each ribbon tab for each of the five programs. Here are the [ ].