The long-vowel mark, which marks a long vowel in katakana (and less commonly in hiragana) when placed after a syllable.

Used in 〈 〉.

The dakuten, which indicates voicing (i.e. ka with a dakuten is pronounced as ga). / (colloquial) It is also sometimes colloquially used to indicate a strained or shouting vocalization.

(nonstandard) Alternative form of ー (“long vowel mark”)