Once installed and published, you will see a new field types in your CB Field Manager: Field Group. This type will let you select from a list of available fields to group together. This group of fields then can be repeated by the user as many times as configured.
All aspects of a fields grouping display is template driven allowing complete control of repeat output. Two (2) built-in templates for a simple (vertical) list of fields or a (horizontal) spreadsheet style repeatable rows table.