visual aid
nounUK /ˈvɪʒ.u.əl eɪd/
US /ˈvɪʒ.u.əl eɪd/
A visual aid is a picture or object that helps you learn or understand something.
The teacher used a big map as a visual aid to show us where the mountains are.
OTHER MEANINGS
2. A prop or demonstration tool used in a speech or presentation to make ideas clearer.
She brought a model of the solar system as a visual aid for her science talk.
3. Any image, video, or graphic used in teaching to support spoken or written information.
The online lesson included a short animation as a visual aid.
4. A device or object that helps someone with poor eyesight see things better.
A magnifying glass can be a helpful visual aid when reading small print.