The most important of these buttons is the Back button which takes you to the page you were previously at. The Web Address Bar shows what website you are at on the Internet. You can also type a web address into this bar and go to that site by hitting the enter or return key on the keyboard. A link takes you to another web page on the Internet. You can tell a link when you put the arrow on it with the mouse, and the arrow turns into a little hand.
Many links are the color blue.
Click once on a link to go to another site on the Internet. A button works like a link in some cases and will take you to another place on the Internet. In other cases it is used to sign you in to your email, search the Internet, etc. You will see the uses of a button as you use the Internet. Email Signing up In the web address bar type in an email web page.