To Highlight

1. (transitive) To make prominent; emphasize.
2. (transitive) To be a highlight of.
3. (transitive) To mark (important passages of text), e.g. with a fluorescent marker pen or in a wordprocessor, as a means of memory retention or for later reference.
4. (transitive) To dye (part of the hair) a different color than the rest.
5. (transitive, Internet) To seek the attention of (a user) on IRC by mentioning their name in a message, causing that message to appear highlighted on their screen.