I'm confused with the meaning of WAS(Web Application Server) and web framework

I think I know what framework is and some famous framework like ruby on rails, spring, and I think I can distinguish between the meaning of web server and web application server.

but I don't know what is different between WAS and framework, for me I think framework is a kind of WAS because framework is doing many dynamic works related with database handling request from web server(Apache or nginx)

I'm confused with the relationship between these two part in Web programming.

Could you explain it?