A case may refer to any of the following:
1. When referring to computers, a case is a term used to describe a computer chassis that holds all of the parts that make a computer. See our computer chassis page for further information and related links on this term.
2. When referring to writing, case a term used to describe the capitalization state of text characters. For example, when letters are uppercase, they're all capitals, and when they're lowercase, they have no capital letters.