Comprehensive (adjective)

1. Including or encompassing many aspects or items.
2. Having a wide range of knowledge or understanding.

Origin:

Late middle english: from old french comprehensif, -ive, or late latin comprehensivus, from comprehens- "embraced, comprehended", from the verb comprendere (see comprehend).

Examples:

1. This book offers a comprehensive overview of the subject.
2. She has a comprehensive knowledge of the company's operations.
3. This policy provides a comprehensive insurance coverage.
4. A comprehensive study of the issue has been conducted.
5. The survey provides a comprehensive picture of the current market.