What is CLR and Framework class library?

Question

so basically CLR is the runtime that executes the code and provides memory allocation and other services and Framework class library is similar to the libraries in C++ except it has a lot of other services as well compared to c++ libraries

Answer 1

Just like #include<example>
.net clases are like example

Answer 2

visit the official sites:
https://docs.microsoft.com/en-us/dotnet/
https://docs.microsoft.com/en-us/csharp/

and Geeks4Geeks got info too:
https://geeksforgeeks.org/csharp-programming-language/