"Paper dots" refers to small circular pieces made out of paper. They are often used for decorative or functional purposes, like sticking to objects for labeling or organizing. Full definition
All you need is a bunch of random bits and pieces — buttons, sequins, gems, stickers, even tiny scraps of paper or paper dots from a hole punch. (funlearningforkids.com)
• Open them again and pick up the first paper dot that gets your attention. (scientificamerican.com)
I took an art class and this piece was made with 3 different sized black paper dots, to show the variation in a newspaper print image. (amberbdesignstudio.com)