tagline
(noun)
noun
1. The punch line of a joke.
2. (computing) A pithy quote habitually appended to a signature, used as an advertising slogan, etc.
3. A line attached to a draft of cargo or a container to provide control and minimize pendulation of cargo during lifting operations.
4. A light rope attached to an object being hoisted by a crane, used to guide it while lifting or lowering.