a picture paints a thousand words

To make a presentation to visually show what you want to do or achieve.

Most human beings, no matter how familiar they are with abstract symbols, respond to voice and images better than written language. In other words, A picture paints a thousand words.

Wow, this photograph really is amazing. A picture paints a thousand words.

Just show him the photos and he will understand. You know a picture paints a thousand words.