(education) A method of designing an educational curriculum by setting goals before choosing instructional methods and forms of assessment.

A flaw in the design of something.

(graphical user interface) A user interface style that that is characterized by the lack of shadows, giving a flat, two-dimensional look

plural of design depth

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

Designed to serve its purpose well, and/or be attractive.

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.

Alternative form of security by design

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

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