The definition of an overview is a summary or a review.
An example of an overview is a quick telling of what a longer story is about.
a general review or survey
- A broad, comprehensive view; a survey.
- A summary or review.
- A brief summary, as of a book or a presentation.
(third-person singular simple present overviews, present participle overviewing, simple past and past participle overviewed)
- To engage in an overview; to provide a brief summary.