In the dressing game, a player who harmonizes all his/her clothes, shoes, bags, accessories together is the winner. There is a structure which helps you do it, especially for beginners.
I often start combining for myself by choosing an item I like and the purpose of combination is always to make all items support each other and work in perfect harmony. The first item in my sequence is a top or a bottom, because it usually covers most of the upper or lower human body. But sometimes I still replace it with a bag or hat which I want viewers to see and focus on. Accessories are the last things in the sequence.
In my own model, if you want to start dressing with your tops, the sequence will be:
Starting with your bottoms:
Starting with your dresses or jumpsuits: