The terms "stylus" and "digital pen" are often used interchangeably, but there can be subtle differences in their connotations. While both refer to a tool used to interact with touchscreens, stylus is a more generic term and can refer to any tool used for writing or drawing on a surface. Meanwhile, the term digital pen often suggests a more advanced tool with additional features, such as pressure sensitivity, tilt detection, and customizable buttons. Furthermore, they are often associated with active styluses that require a connection to your device.