(s) composing or representation produced in a specified manner or by a specified procedure: photography.
(s) currently talking about a specified topic: oceanography.
(s) Representation of a specified object: phonography.
A suffix denoting the skill of writing or describing; additionally, the writing or information it self; a treatise.
(n) A terminal element in compound words of Greek beginning, indicating ‘writing, description, discourse, seience,’ as with biography, location, hagiography, hydrography, geography, typography, etc. These types of nouns tend to be accompanied by an adjective in -graphic, -graphical, and often by a concrete noun in -graph.