The document describes the phonetic qualities of 15 different English vowels: /iː/, /ɪ/, /e/, /æ/, /ɜː/, /ə/, /ʌ/, /uː/, /ʊ/, /ɔː/, /ɒ/, /aː/, /ɑː/. Each vowel is given as either high, mid, or low in terms of tongue height and either front, central, or back in terms of tongue position. Examples words are provided for each individual vowel. The document is authored by Carlos Alberto Vieira, a 3rd year English Studies student at UNICV, and references a pronunciation textbook.