The Wacom ISD HID MiniDriver is a Windows driver used to enable Wacom tablet devices (such as Wacom drawing tablets or pen displays) to communicate with a Windows computer. "ISD" stands for Interactive Stylus Device, and "HID" refers to Human Interface Device, which is the type of protocol used for communication between the tablet and the computer.
This driver allows your Wacom tablet to interact with your Windows operating system, ensuring that stylus input (like drawing or pen input) works correctly on your computer.