The pronoun in question is sometimes termed a donkey pronoun or donkey anaphora. Figures of speech include alliteration, anaphora, paradox, and personification. Of the various ellipsis mechanisms, null complement anaphora is the least studied. Certain parts of speech exist only to express reference, namely anaphora such as pronouns. Donatus also includes schemes such as zeugma and anaphora. The Liturgy of St. Basil is celebrated on most Sundays and contains the shortest anaphora. Specifically, the rhyme called "etukai" (anaphora) occurs on the second consonant of each line. The beginning of the "Anaphora" (Preface) is shorter. It is a figure of speech and the counterpart of anaphora. It is the combination of anaphora and epistrophe. Then the variations of the three Anaphora begin. The combination of anaphora and epistrophe results in symploce. The liturgy describes thanksgivings before the Anaphora. The term "anaphora" is actually used in two ways. It is based on the 4th-century Anaphora of St Basil.