In order to configure the component of your composite products, you need to browse the “Components” tab in the Product Data selection.
The first customization option is the layout choice selection for your composite product, you can choose from three layouts: “Simple List”, “Accordion List” and “Steps”.
This is how a “Simple list” layout will appear:
This is how an “Accordion List” layout will appear:
This is how a “Steps” layout will appear: