Definition
High-fidelity visual design of screens.
Examples
Design delivered mockups before development.
Origin
Modern business/startup term; used as practical shorthand in product, growth, and investing.
Use it in Nautis
Track mockup alongside everything else in your startup.
Nautis brings planning, fundraising, finance, and operations into one AI-native workspace — so concepts like mockup stop being spreadsheet trivia and start showing up where decisions get made.