For North American companies, the UPC is an existing form of the GTIN. The family of data structures (not symbologies) comprising GTIN include: GTIN-12 (UPC-A): this is a 12-digit number used primarily in North America
A plateau is high, flat ground or a situation where something has stalled that was progressing forward previously. 1  An example of a plateau is a high, flat field.  An example of a plateau is a situation where no progress is being made on a project while you await funding approval.
In particle physics and astrophysics, the term is used in two ways, one broader and the other more specific. 1  The broader meaning is just quark matter that contains three flavors of quarks: up, down, and strange. 2  The narrower meaning is quark matter that is more stable than nuclear matter.