装备零件s are special currency required to purchase upgrades to weapons power & holding capacity. They're found infrequently in chests and after encounters, but provide essential upgrades and it's important to utilize them.
The number of Gear Parts, and Advanced Gear parts is displayed on the right side of the Backpack window.
代币s can be found in chests, and purchased from some later game merchants. Each token can be exchanged for a Pixball at machines outside stores throughout the game. When interacting with a Pixball machine or a merchant the total pixball count will display.