You can keep your forms organized with different internal names, that only you can see. You can also assign a title to your form, that will display in the header of the form, when it's published.
At the top of the right sidebar, enter your Form Name. This will default to Signup Form. This name is for your reference only, it won't display on the actual form that your subscribers see. Generally a name like Blog Subscribers, or Facebook Form, or anything to help you remember the details of the form works best.
Your form Title will display at the top of your form, in the header. This will default to your company name, from the Settings area. You can edit the form title:
Note: If you add a custom image to your form header, the Form Title won't display.