Cracktro vs. Intro — What's the Difference?

(demoscene) An intro added to a piece of cracked software, typically including visual effects and music and naming the group that did the cracking.

An introduction.

(informal) An introduction.

(informal) The opening sequence at beginning of a film, television program, etc.

(demoscene) A small demo produced to promote one's demogroup or for a competition.

To introduce.

Formally making a person known to another or to the public

A brief introductory passage to a piece of popular music