Format

The layout of a publication or document.

(hence) The form of presentation of something.

The type of programming that a radio station broadcasts; such as a certain genre of music, news, sports, talk, etc.

"The radio station changed the format of its evening program."

A file type.

To create or edit the layout of a document.

Change a document so it will fit onto a different type of page.

To prepare a mass storage medium for initial use, erasing any existing data in the process.

"I lost weeks of work when I inadvertently formatted my hard drive."