There are a wide variety of forms, and this is where a list of info on each of them will be listed: 0. The link to this page is down through a multi-selection form. IE, it has both a text entry you can use and a button you can click.1. This is a basic link button form. It allows the person to check out the CSS file's content.2. The first real form that contains user input is a mutli-piece selection form, where you can choose up to every option and then put that data into a variable through the use of the following button.3. The third form is a type of basic text entry form that allows you to put in a string and then press enter to save it.4. The "radio selection" is a type of form that allows people to select one item out of a list, as opposed to the type 2 above that lets you select all you want before choosing to submit the info.