A designer can notice and save the small details they like in other people's work, so they are on hand the next time they make something similar.

Be on the lookout. Like when you're browsing through Twitter or whatever, we're going to see we're going we get exposed to many things, so much good work. But some of the work will be like, "Oh, this is cool." like just make a note, save it, and then just by doing that, next time you're doing something similar