What is .net framework ?

Question

please explain in easy language

Answer 1

Library from Microsoft. It contains classes and methods you can use in your application.

It's on 20 different language but mostly used with C#

Answer 2

Well there's a lot of useful stuff to developers so they don't need to build everything from the bottom.

System namespace is part of .net framework.
The form class that makes the user interface.
Console object.
Arrays

There's just too many to list.
You really cant do anything without it.

https://msdn.microsoft.com/en-us/library/system.aspx