the first box is the class(of course), the second box is your preset loadout from A to D, and the 3rd is the playstyle, the sandwich is friendly(can't fight back), the pan is melee-only casual, the shotgun is secondary (medic uses needle gun instead of medigun for this one) & melee only casual, the steak is casual, the minigun is tryhard, the fishcake is trap friendly(you can fight back)
tf2 items for playstyles, tf2 classes for classes