UI controls are elements in a software interface that allow users to interact with the application. Common examples include buttons, sliders, checkboxes, and text fields. These controls help users perform actions, input data, and navigate through the application efficiently. The design and functionality of UI controls are crucial for creating a user-friendly experience. Well-designed controls should be intuitive and responsive, ensuring that users can easily understand how to use them. Properly implemented UI controls enhance usability and accessibility, making software more effective for a diverse range of users.