What does "descriptive" mean?

Descriptive: Tending to describe; having the quality of representing; containing description; as, a descriptive figure; a descriptive phrase; a descriptive narration; a story descriptive of the age. Descriptive anatomy, that part of anatomy which treats of the forms and relations of parts, but not of their textures. -- Descriptive geometry, that branch of geometry. which treats of the graphic solution of problems involving three dimensions, by means of projections upon auxiliary planes. Davies & Peck (Math. Dict. ) -- De*scrip"tive*ly, adv. -- De*scrip"tive*ness, n.