What You See Is What You Get — an acronym for interfaces allowing user input rendered similarly to the final output.
Characterisation of user segments representing target audience needs and desires for design solutions.
Multiple design disciplines combined improving usability, responsiveness, uptake, and aesthetics of products and services.
Low-fidelity visual schematics conveying basic structure and behaviour without detailed interface or visual design.
Software interface design discipline focusing on efficiency, responsiveness, and aesthetics for good user experience.