In a world where you can only say what you mean, how would you explain the following concepts?

The first one is humour. What is humour to you? Is it an emotion? A feeling? A release of dopamine? A way of communication? What is it?<br>The second is love. Is it a feeling? But what is a feeling? Is it a selfish thing? Selfless? Both? Is it an emotion too? But what is an emotion? Can we see these things?<br>Please explain.<br><br>**TL;DR:** In a world where you can only say what you mean, how would you explain the following concepts: humor and love?