an incline going up in the direction of movement.
an increase or improvement: an upgrade in the year's profit forecast.
a new version, improved model, etc.: The company is offering an upgrade of its sports sedan.
an increase or improvement in one's service, accommodations, privileges, or the like: If the ship isn't full we'll receive an upgrade to a deluxe stateroom.
something, as a piece of equipment, that serves to improve or enhance: a full range of upgrades available for your computer.
