schematic

Concise Oxford English Dictionary © 2008 Oxford University Press:
schematic /skiːˈmatɪk, skɪ-/

▶adjective

• 1 (of a diagram or representation) symbolic and simplified.

• 2 (of thought, ideas, etc.) simplistic or formulaic in character: a highly schematic reading of the play.

▶noun technical a schematic diagram, in particular of an electric or electronic circuit.

– derivatives
schematically adverb.