ah thanks again ahah :3
And euuuuuhmm, I think a llama doesn't really mean something, it's just a way to do a friendship sign to someone, like kindness ? Or it's a way to say hi !
...Truly, I don't really know...
If you don't know how to give one it's on the Give button near the Watch Button. Then you click on "Give a llama badge" (it's free ;D)