Button is a reusable, interactive UI element that triggers a specific action when clicked. As a fundamental element of user interaction, it serves as an imperative tool for navigation, form submission, and functionality initiation. Consistent design and implementation of buttons ensure intuitive user experience, reducing cognitive load.

Teams employ them in different states and styles to denote importance and purpose. These pre-defined styles are applied across different parts of a software application or website, ensuring efficient, harmonious design throughout.