Mouse events are actions that occur when a user interacts with a computer mouse. These events include actions like clicking, double-clicking, right-clicking, and moving the mouse pointer. Each of these actions can trigger specific responses in software applications, allowing users to navigate and interact with content on their screens. In web development, mouse events are essential for creating interactive user interfaces. Developers use programming languages like JavaScript to listen for these events and execute functions based on user actions. Common mouse events include mousedown, mouseup, mousemove, and click, which help enhance user experience by providing feedback and functionality.