What is the function of button interface?
A button is an interactive element that enables to get the expected interactive feedback from the system following a particular command. Basically, a button is a control that allows a user to directly communicate with the digital product and send the necessary commands to achieve a particular goal.
Is button a UI?
Buttons communicate actions that users can take. They are typically placed throughout your website UI, and they should be easily findable and identifiable while clearly indicating the action they allow a user to complete.