schema
A representation of a plan or theory in the form of an outline or model. / A cognitive framework or concept that helps organize and interpret information.
[C] Countable
pl: schemas, schemata
This term functions as a blueprint for understanding. It describes the structural skeleton of an idea before the details are filled in. In technical or academic settings, it suggests a rigid, organized architecture used to standardize how data or knowledge is stored.
While a map describes a territory, a schema describes the rules of how that territory is organized. It carries a clinical, systematic feeling, often used by psychologists to describe mental shortcuts or by database engineers to define the layout of a system.
Countable when referring to a specific structural design or a single mental framework.