Click 'Uncategorized Items'. The items you've added will appear at right.

Click an item and fill in whatever info you want it to have.

About 2/3 of the way down this page, there is a scroll box labeled "Categories and Sections Item Appears In" -- select the category(s) that apply - for instance "Shoes - Men's" (or whatever you have there).

At bottom of page, click "Update" when you're finished with this item. You can go back anytime and change or update this info.