The word comprehensive is an adjective that means complete, thorough, and including all or nearly all elements or aspects of something. It comes from the Latin word comprehensivus, which relates to understanding or containing things together.
The exact definition and how it is used change depending on the context: Common Definitions
General Use: Covering a broad scope. For example, a Cambridge Dictionary entry notes that a comprehensive study or list leaves out no important details.
Insurance: In the financial sector, comprehensive coverage protects you against a wide range of risks. For example, Progressive Auto Insurance uses it to mean protection against non-collision events like theft, fire, or weather damage.
Education: In British English, a comprehensive school is a state secondary school that admits children of all abilities without entry examinations. In universities, comprehensives (or “comps”) are broad exams testing a student’s total knowledge of their major. Examples in Sentences What Is Comprehensive Insurance? – Progressive