What is the key difference between a Web application and a Web Portal?

comparison

Solution

A web application offers a clear and focused service. A web portal is rather a sort of "start page" that contains links to a variety of resources and services. See here:

http://en.wikipedia.org/wiki/Web_application http://en.wikipedia.org/wiki/Web_portal

Problem

I taught i had a clear view of the difference between these, but giving it a deep i got confused. Can someone help with a comparison, please?

Original source