I'm not exactly sure what I am doing. What is all this for?

Jotform is an online form builder. You can create forms in Jotform and embed it to your site. To help you get started creating a form with Jotform, please check this link https://www.jotform.com/help/2-How-to-Create-Your-First-Web-Form.

Let us know if you have any questions or if you need further assistance.