What is the Word "Logo" Short For?
The strictest graphic design purists will insist that "logo" is short for "logotype." A logotype is a word or a company name written in a stylized way. The trademarked ways Google, Disney, and Coca-Cola are written are all logotypes.
However, many people also use the word logo to refer to a logomark. A logomark is a graphic, symbol, or other identifying mark that doesn't contain any words. Target's red bullseye and the apple that represents Apple computers are both logomarks.