Software is a term for a part of a computerized system whose form is not visible.
That often referred to as data that programmed, formatted. Can stored digitally, has no physical form, and can operated with computer devices.
In the opinion of computer experts, the notion of it is an order program that is on a computer.
That written in a ‘programming language’ written by a programmer. Then compiled so that it becomes code that can recognized by the computer.
Software like Windows, iOS, Linux, etc. can said to be the ‘heart’ of the computer. Without the operating system, the computer cannot operated.