There are several types of forms that can be added/customized in workflows:

• Action Launch Form
  A form that is shown when user launches an action.
• Initiation Form
  A form that can be used:
    ▪ For manual workflow start,
    ▪ As a New Item form for adding new item and starting workflow.
• Workflow Form
  A form that can be used as a Edit Item / Display Item forms.
  
  • State Form
    This is a sub type of a Workflow Form that allows to create different forms for different workflow states.

In below chapters you will find how to manage, deploy, design and configure above forms.