If you edit a text such as an article or a book, you correct and adapt it so that it is suitable for publishing.

If you edit a book or a series of books, you collect several pieces of writing by different authors and prepare them for publishing.

If you edit a film or a television or radio programme, you choose some of what has been filmed or recorded and arrange it in a particular order.

Someone who edits a newspaper, magazine, or journal is in charge of it.

An edit is the process of examining and correcting a text so that it is suitable for publishing.