jsp container vs servlet container

I am studying about servlet technology in which I heared the term servlet container and jsp container, I am getting confused that both are same or not.A jsp page is handlded by jsp container but servlet is handled by servlet container.On searching some site I found in servlet container there is a file called page compiler which turns servlet container into jsp contaner when a jsp request comes.So I want to know, actually the conversion happens between these tow or both are the same things which is used interchangebly.Thanks...Read more