A browser is an application program providing a way to search and interact with all the information and data on the World Wide Web. It includes web pages, images, videos, news, and more. A web browser is a client program leveraging HTTP to make requests of web servers all over the Internet on behalf of users.
A browser sends and receives data to and from other parts of the web. It leverages a user interface or UI to display information graphically on the screen. People use web browsers to access the Internet and consider how we navigate our daily lives as a necessity.