General term for a simplified representation, plan, or pattern used to explain or design something.
Biology-specific use for a typical form or pattern, such as a morphological type.
This diagram shows a schematic of the device.
A blueprint for the new city plan was announced.
The leaf types of this plant are classified into three patterns.
schematic diagram
type locality
type specimen
type locality
Compound of 模 (model, pattern) and 式 (style, formula). The exact historical derivation is uncertain, but the combination naturally conveys a schematic or model-like form.