Device

Device could mean:
 A machine or part of one
 A tool or part of one
 An information appliance, such as a cell phone
 Device implying computer hardware
 A peripheral device attached to a computer
 A display device (or graphics device), for visual or tactile presentation of images and/or text
 An electronic component
 A device file, in computing
 Device No.1 (Flint album), an album by Flint
 Heraldic device, part of a coat of arms
 An attachment to a medal's ribbon denoting special service, participation in a battle, or additional awards. Examples include a service star and the oak leaf cluster.

Devise could mean:
 To invent
 A disposition of real property in a will, like a bequest