Word

1. A single unit of measurement that is assumed to be a 16-bits in length value. However, can be any set value, common values included: 16, 18, 24, 32, 36, 40, 48, and 64.

2. When referring to a word processor, Word is short for Microsoft Word and also sometimes used as an abbreviation for Microsoft WordPad. It's more appropriate to refer to each of these programs using their full names. However, most people automatically assume that Word is Microsoft Word.
Microsoft Word allows users to create professional looking documents, reports, letters, and resume's. Unlike a plaintext editor or WordPad Word has a lot more features such as a spell checker, grammar check, support for hundreds of different fonts, HTML support, advanced page layout features, and much more. Below is an example of what Microsoft Word may look like.