Why are jokes different from funny ones?

Jokes are a tool for people to be happy. It is often not closely related to real life, but comes from real life.

Funny often describes a person's behavior. We can say that he is very interesting. We can also say that it is funny. But no one will call him funny or say he is funny, right?

Hehe, one more thing, telling jokes is easy, but it may be a bit difficult to be funny ~ Come on @ _ @