I sometimes make random graphs in this figma file ⬇️ They usually mentally describe mental models or abstract concepts

https://www.figma.com/embed?embed_host=notion&url=https%3A%2F%2Fwww.figma.com%2Ffile%2FkOT0TVQMaXBgPPjaLMZbnm%2FMental-graphs%3Fnode-id%3D0%253A1

My favorite graphs (not done by me):

The emotional guidance scale

The healing power of hugs

Trading partners (https://twitter.com/sundellviz/status/1488596964208001026)

Complexity created through informed simplicity

Midwit meme / IQ Bell curve

S&P500 returns

Political compass according to position in political compass

The history of the world graph