What is the meaning of Outline?

A line marking the boundary of an object figure.

The outer shape of an object or figure.

A sketch or drawing in which objects are delineated in contours without shading.

A general description of some subject.

A statement summarizing the important points of a text.

A preliminary plan for a project.

A prose telling of a story intended to be turned into a screenplay; generally longer and more detailed than a treatment.

A setline or trotline.

To draw an outline of.

To summarize.

To optimize for size by replacing repeated code fragments with function calls.

Source: wiktionary.org