UX design, short for user experience design, is the practice of shaping how a product works and feels so that people can reach their goal easily and without frustration. It is less about decoration and more about structure: what goes where, in what order, and how the whole thing behaves when a real person tries to use it.
A useful analogy is designing a park. A landscaper does not just plant pretty flowers along the edges. They watch where people naturally want to walk, see the muddy shortcut worn across the grass, and put the paved path right there instead of fighting it. UX design works the same way: you study what users are actually trying to do, then arrange the product so the easy path and the right path are the same path. This is the structural half of user interface and experience, and it leans heavily on understanding the user journey from the very first click to the very last.
The work is a loop, not a single step. You research, sketch a flow, build a quick version, then test it and learn what was wrong before you commit to it. Strong UX designers measure rather than guess, which is why they value plain usability over clever ideas that look good in a slide deck but quietly confuse people in real life.
At TopDevs we put UX design before visual polish, so the products we ship solve the actual problem first and look good second, in exactly that order.