As a platform owner when you want to build high level marketplace to have deeper categorisation.

Example:

• Men
• • Clothing
• • • Tops,
• • • Coats
• • • Beachwear,
• • • BridalWear
• • • Jeans
• • • • Skinny Leg

Men is a first level category Clothing is a second level category Tops, Coats, Beachwear, Bridal wear and Jeans are 3rd level category Skinny leg is a 4th level category

• Based on your business nature, you can use this in different ways. You can use category to allow users to discover somethings or find different set of needs based on how you plan it.
• You can add attributes based on parent and child categories