I mean, it's in the name, web server. It serves things to people when people asks:

   - Hey, can I GET this drink?

   - 200 OK, here it is pal. 
   - 204 Uh, the bottle appears to be empty
   - 206 I have only half the ingredients for the mix
   - 300 Stirred or shaken?
   - 301 That drink is now called this, but here it is!
   - 400 I can't understand what you say buddy, are you drunk?
   - 403 I'm sorry, but I must refuse to serve you that drink
   - 404 Oops, I can't seem to find the bottle
   - 411 How much do you want?
   - 413 That's too much drink!
   - 418 I'm actually a teapot 
   - 503 Too busy right now!