There are some free UML diagram tools and free online UI tools available, such as:1. UMLet, https://www.umlet.com/2. Visual paradigm, https://www.visual-paradigm.com/solution/freeumltool/3. free online http://www.umlet.com/umletino/umletino.html…..4. free online UI tools https://www.figma.com/ui-design-tool/
Select one of the tools and create your diagram to have some simple simulation
A cover page with introduction, simulation, and explaining is a must for the assignment