A set of rules on design of buildings and public spaces.

Design that is accessible to all, regardless of any disability.

The design of movement in animations / video.

(nautical) The maximum depth at which a submarine is designed to be able to operate safely.

plural of design depth

the application of a defined set of cognitive, strategic and practical processes to develop design concepts

(mathematics) In combinatorial mathematics, a set together with a family of subsets (repeated subsets are allowed at times) whose members are chosen to satisfy some set of properties deemed useful for a particular application.

plural of design load

Alternative form of security by design

Of a transport system (such as a road or railway), the assumed vehicle speed used in calculations when designing the system; typically the fastest speed at which it is deemed safe to use the system.