Meaning of the word "visual aid" in English

What does "visual aid" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

visual aid

US /ˈvɪʒ.u.əl eɪd/
UK /ˈvɪʒ.u.əl eɪd/
"visual aid" picture

Noun

an object, device, or image, such as a chart, film, or slide, used to enhance a presentation or lecture

Example:
The teacher used a large map as a visual aid to explain geography.
PowerPoint slides are common visual aids in business presentations.