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Tier may refer to:

  • Organizational, A ranking relationship involving order in a collective and its subordinate components
  • Ranking, 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, is a tier based system in Software architecture
  • Tier (emission standard), that are managed nationally in the USA by the Environmental Protection Agency (EPA)
  • 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
  • Tier list (video game), a list of playable characters ranked by their abilities in competitive settings
  • A row of moorings or anchorages for ships.


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