Forms are used to solicit information from the users of your web page and send that information data to you. You could use a simple mailto link, where the user will be sent to their email system, but with a form you can direct the user to give you the information you need.
All modern browsers support forms.
Creating the form is pretty easy, the form elements are standard html elements. However, getting the information from the form requires the use of an intervening program. The following form shows all of the form elements you can use. You can insert these elements individually or use the Form Page Wizard to create the form. Here are some sample form elements.