Active Voice

Allegory is a literary device in which characters or events in a literary, visual, or musical art form represent or symbolize ideas and concepts.

Alliteration is the repetition of a particular sound in the prominent lifts (or stressed syllables) of a series of words or phrases.

An allusion is a figure of speech that makes a reference to, or a representation of, people, places, events, literary work, myths, or works of art, either directly or by implication.

Analogy is a cognitive process of transferring information or meaning from a particular subject (the analogue or source) to another particular subject (the target), or a linguistic expression corresponding to such a process. 

An antagonist is a character, group of characters, or institution that represents the opposition against which the protagonist must contend. 

An anti-climax is where something which would appear to be difficult to solve in a plot is solved through something trivial. 

Antithesis is used when two opposites are introduced in the same sentence, for contrasting effect.

The apostrophe  is a punctuation mark, and sometimes a diacritical mark, in languages that use the Latin alphabet or certain other alphabets.

Argumentative essays are most often used to address controversial issues.

Anecdotal evidence is considered dubious support of a claim; it is accepted only in lieu of more solid evidence.

An aside is a dramatic device in which a character speaks to the audience. 

Assonance is the repetition of vowel sounds to create internal rhyming within phrases or sentences, and together with alliteration and consonance^[1] serves as one of the building blocks of verse.

An atmosphere is a layer of gases surrounding a material body of sufficient mass that is held in place by the gravity of the body. 

An audience is a group of people who participate in a show or encounter a work of art, literature , theatre, music , video games, or academics in any medium. 

Autobiography

An autobiography is a self-written account of the life of a person.

A ballad is a form of verse, often a narrative set to music. 

 Ballad stanza is the four-line stanza, known as a quatrain, most often found in the folk ballad. 

Bias is an inclination of temperaments or outlook to present or hold a partial perspective at the expense of  alternatives in reference to objects, people, or groups.

A biography or simply bio is a detailed description or account of a person's life.

Blank verse is poetry written in unrhymed iambic pentameter.