I'd add to that and say When something is a framework, it calls functions on your code AND it does a lot of the heavy lifting for you. I studied Frameworks in

I'd add to that and say When something is a framework, it calls functions on your code AND it does a lot of the heavy lifting for you. I studied Frameworks in my Software Engineering degree, but really had no appreciation for them until developing large software in WebObjects. Until you've extensively used a well-written Framework, libraries seem great. After, you realize a library just helps you here and there, but a Framework is so much more.