The Forms plugin allows you to build forms such as contact forms, register forms that can be used on your website.
Pressing the Add button will take you to the edit screen used for adding new forms.
The Edit option allows you to edit the settings made in Add.
Delete - This button deletes the selected form.
Next - Pressing this button takes you further into the selected form. It is used to build, edit or update the selected form.
Cancel - This button takes you out of the Forms plugin section.