Constraint

For example, the ability of computational systems to establish Rules as genuine constraints where an analogous human legal system can only penalize violations makes possible Patterns of Organization that can only be approximated in society.

as a practice of taking away.

In linguistics, the grammar of a natural language is its set of structural constraints on speakers' or writers' Composition of clauses, phrases, and words. The term can also refer to the study of such constraints, a field that includes domains such as phonology, morphology, and syntax, often complemented by phonetics, semantics, and pragmatics. wikipedia