mockup

Noun

mock-up (plural mock-ups)

1. A scale or full-size model of a design or device which is not fully functional, used for teaching, demonstration, design evaluation, promotion, or other purposes.
   • The second-class accommodation shown in mock-up at last year's Railway Design exhibition in London was open saloon, but there is still nagging concern that the public has expressed a clear preference for compartments.1964 February, “British Railways' passenger plans”, in Modern Railways, page 73
2. A prototype, usually low-fidelity, such as a paper illustration, screenshot, or simple screen configuration with limited interaction.
   • I knew that the software was a mock up and as such it would require the team at least half an hour to put together the components before I could proceed.2018, Dr Low Lee Yong, I Dare to Dream Making Possible the Impossible