There are many different types of items in Blockchain Cuties Universe.
The types of items are:
These items are usually potions or auto-used items, like raid boss energy, and/or Ingredients for crafting.
These items are mostly Cutie Gear and can be equipped into the Cutie's item slots. There are 5 item slots available on all of the Cuties in the game: Weapon, Body, Bracelet, Accessory, and Head slots.
These items are mostly misc items. Like Season Badges, Champion's Marks and Season Exp
Pretty straight forward, it's a type of items that represent loot boxes or similar items.