A key that when pressed switches between the overtype mode and the insert mode of a computer.

An image inserted into text.

A promotional or instructive leaflet inserted into a magazine, newspaper, tape or disk package, etc.

A mechanical component inserted into another.

(linguistics) An expression, such as "please" or an interjection, that may occur at various points in an utterance.

(genetics) A sequence of DNA inserted into another DNA molecule.

(television) A pre-recorded segment included as part of a live broadcast.

(film, television) A close-up shot used to draw attention to a particular element of a larger scene.

(audio effects) A plug-in that adds an effect to an audio track.

(computing) A key to toggle between text insert mode and overwrite mode

(transitive) To put in between or into.