A is a script—a series of pre-programmed inputs—that automates a specific action. A "No Recoil" macro is a script designed to move the right analog stick (the camera stick) downward (and slightly left or right) at the exact speed and intensity required to counteract the weapon's natural upward kick.
A "no recoil" macro is a piece of software or a script (often used via tools like DS4Windows ds4 no recoil macro extra quality