When people say they Python in relation to programming they either mean the Python programming language or they mean the tool that can translate some text (code) written in the Python programming language to the language a computer can actually understand. On MS Windows this is the python.exe you need to install. On Linux/Mac it is usually called python or python3. The generic name of the tool that translates a programming language for the computer is either called a compiler or an interpreter. We'll talk about this later on.