Framework can also be interpreted as a collection of scripts (especially class and function) that can help developers / programmers in dealing with various problems in programming such as connecting to a database, call variables, files, etc. so that developers focus more and more quickly build applications.
It could also be said pemrorgaman Framework is a component that is ready to re-use at any time, so the programmer does not have to make the same script to the same task. Suppose that when you make ajax-based web applications that every time should do XMLHttpRequest, then Xajax has mempurmudahnya for you to create a special object that is ready for operation based on PHP Ajax. That is one small example, rest Framework is far broader than that.