Answer:
Visual aids are something which one uses to explain one's theory with their data embedded in the graphical.
Step-by-step explanation:
There can be a lot of ways through which we can represent our theory with the help of said visual aids, such are
1. Posters: Big sheets which have visual displays of the information.
2. 3-D Modeling: The new technology helps with the comprehension of the points to be made.
3. Projector Animated Presentation: The basic way of putting out your data is the power point presentation.
4. Graphs & Charts: They depict the basic changes during a specific period
5.Flip-Charts: They are really easy on the eye, and looks professional.