A field is defined by its title, type, category, description, and possibly a default value or some allowed values. The title is used everywhere to refer to the field in the user interface.
Edit Field option allows admin to edit specific type of field for this specific module, these changes will be available to all users of CRM account (if field is active). Please note that:
In order to edit the field.
Similarly, following are the field types which can be edited.
If you still need further assistance please make sure you contact our support team.