.net framework is runtime and type safe env used to develope & deploye the .net application

.net framework is a collection of services and classes.
The .net framework has two main components.
1.Common language run time and
2.Framework class library
1.common language runtime:-
runtime agent the manages code at executin time,providing 
core services such as memory management 
2.Framework class library:-
Framework class library is acomprehensive,objectoriented collection 
of reusable types that you can use to develop applications 
ranging from traditional command line or graphical 
userinterface(GUI).APPLICATION TO APPLICATION based on 
latest innovations provided by asp.net,such as web forms 
and xml webservices.