What is the Definition of prefix intro?

The term "intro" itself is a shortened form of the word "introduction." Therefore, the definition of "prefix intro" is an introduction that comes before something else.

It's commonly used in music, video, or writing to describe a brief section that introduces a larger piece.

Examples:

* Music: The song starts with a catchy intro riff.

* Video: The intro sequence shows the movie title and credits.

* Writing: The intro paragraph of a book sets the stage for the story.

While "prefix intro" isn't a formal grammatical term, it accurately conveys the meaning of an introductory section.