UI (User Interface) is what your product looks like. UX (User Experience) is how it works and feels to navigate. Most startups build one without fully understanding the other — and that's where users get lost and retention breaks.

A wireframe is a basic visual blueprint of a website, app, or digital product stripped of colour, fonts, and final imagery. It shows where content and features go, not how they’ll look. Think of it as the skeleton of your product before any design decisions are locked in.