Tier may refer to:

Groupings

Organizational An organization or organisation (Commonwealth English; see spelling differences), is an entity—such as a company, an institution, or an association—comprising one or more people and having a particular purpose. The word is derived fr ...

, a ranking relationship involving order in a collective and its subordinate components *

Ranking A ranking is a relationship between a set of items such that, for any two items, the first is either "ranked higher than", "ranked lower than" or "ranked equal to" the second. In mathematics, this is known as a weak order or total preorder of o ...

, a relationship involving order between a set of observations or variables * Data center tiers, Telecommunications Infrastructure Standard for Data Centers, which defines a level in terms of "tiers" * Multitiered or multilayered, a tier based system in software architecture *

Tier (emission standard) United States vehicle emission standards are set through a combination of legislative mandates enacted by Congress through Clean Air Act (CAA) amendments from 1970 onwards, and executive regulations managed nationally by the Environmental Protect ...

, rankings of emission standards in the US *

Standings Standings or rankings are listings which compare sports teams or individuals, institutions, nations, companies, or other entities by ranking them in order of ability or achievement. A table or chart (such as a league table, a ladder or a leaderb ...

or rankings are listings which compare sports teams or individuals, institutions, nations, companies, or other entities by ranking them in order of ability or achievement *

Tier list A tier list is a concept in video game culture where playable characters or other in-game elements are subjectively ranked by their respective viability as part of a list. Characters listed high on a tier list of a specific game are considered to ...

, a list of playable characters ranked by their abilities in competitive settings *Tiers of suppliers in a

supply chain In commerce, a supply chain is a network of facilities that procure raw materials, transform them into intermediate goods and then final products to customers through a distribution system. It refers to the network of organizations, people, activ ...

Other

* A row of

moorings A mooring is any permanent structure to which a vessel may be secured. Examples include quays, wharfs, jetties, piers, anchor buoys, and mooring buoys. A ship is secured to a mooring to forestall free movement of the ship on the water. An ''a ...

or anchorages for ships *A variant of the surname Thiers *

Taiwan Institute of Economic Research Taiwan Institute of Economic Research (TIER, ) is an incorporated non-profit research institute in Zhongshan District, Taipei, Taiwan. History Established on 1 September 1976, it was the first independent academic research institute in Taiwan. ...

, one of two major economic research institutes in Taiwan * "Tier" (song), by German band Rammstein *A fictional character in Marvel Comics; son of Hrimhari and Wolfsbane *TIER Mobility, a shared e-scooter operator company from Germany

Groupings

Other

See also