phplist create categories and sub categories

I have a headache from trying to fig this out. On the main page I would like the next page to show the main category aswell as the sub categories such as : Subscribe to our various mailing lists ( currently shown as 1 )> All on one page! General Normal Notifications. Critical Notifications Bidders/Buyers Discounts and Specials offered bythe seller How to tips for buyers Special news for buyers / bidders only Sellers Discounts and Specials offered to sellers by SD How to tips for sellers Wanted (for sellers only) SUBMIT button