Coverage (noun)

1. The extent to which something deals with a particular subject or problem.
2. The area or range covered by something, such as an insurance policy or a news report.
3. The amount of time during which a particular subject or event is covered by a news organization or broadcaster.

Origin:

Mid 19th century: from cover + -age.

Examples:

1. The book provides comprehensive coverage of the subject.
2. The insurance policy has limited coverage.
3. The coverage of the event by the media was extensive.
4. The report has extensive coverage of the region's economy.
5. The TV station provided live coverage of the parade.