HELLO CLR stands for common language runtime This is runtime where the source code of an application is compiled into an intermediate language called CIL , originally known as MSIL and then this CIL code is translated into the native code of the operating system using a just-in-time (JIT) compiler
common language runtime, which runs the code and provides services that make the development process easier.
CLR stands for Common Language Runtime. It is execution environment where all .net application/programs get executed. It is the heart of .net framework
CLR means Common Language Routine is that programming that manages the execution of programs written in any language that uses .net framework.