The players' inventory contains all the items the player currently owns. It consists out of four parts.
This contains all the players' current items and allows the player to buy new items with silver coins. It also allows the player to buy 2 limited time items.
The loot tab contains all items you looted from enemies.
The collections tab contains all collectables the player has gathered. These items can be traded for gold.
This tab contains all gifts that the players' friends sent you.