An upward grade or slope.
An improved component or replacement item, usually applied to technology
An improvement
To improve, usually applied to technology, generally by complete replacement of one or more components
To replace with something better.
To improve the equipment or furnishings of or services rendered to
To improve in condition or status.
To replace a program with a later version of itself, a version having a higher version number or marketed under a more recent product name.
Up a slope or grade.