—utilized to be a functionality word before a correct noun to distinguish the situation on the referent from a usual, former, or hypothetical situationIn the International Phonetic Alphabet, ⟨a⟩ is employed for the open entrance unrounded vowel, ⟨ä⟩ is utilized for the open up central unrounded vowel, and ⟨ɑ⟩ is used for the open up