mock-up

noun ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about mock-up at Wordnik → Where our words come from →

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.
2. A prototype, usually low-fidelity, such as a paper illustration, screenshot, or simple screen configuration with limited interaction.