Equipment
The Equipment menu allows you to review and apply Prosthetic Tools as well as set the items you wish to equip in your Quick Items slots. You can apply up to three Prosthetic Tools and up to five Quick Items.

Inventory
Visit the Inventory menu to see all the items you've collected in your quest, including Quick Items and Prosthetic Tools.
Skills
Acquired abilities can be viewed in the Skill menu.
Options
Various gameplay related options and input configurations can be changed from the Options menu.