also: ティアー
Loanword from English 'tier', used in contexts like ranking systems, layered structures, or subscription levels.
The rewards in this game are based on a tier system.
There are three tiers in the subscription.
Standard katakana spelling for the English loanword 'tier'.
Variant katakana spelling with a long vowel mark; less common but still used.
Borrowed from English 'tier'.