Active voice

the voice used to indicate that the grammatical subject of the verb is performing the action or causing the happening denoted by the verb; "'The boy threw the ball' uses the active voice"

Allegory

 A representation of an abstract or spiritual meaning through concrete or material forms; figurative treatment of one subject under the guise of another.

Alliteration

  the commencement of two or more words of a word group with the same letter.

Allusion

 A passing or casual reference; an incidental mention of something, either directly or by implication.

 Analogy

   A similarity between like features of two things, on which a comparison may be based.

 Antagonist

A person who is opposed to, struggles against, or competes with another.

 Anti-Climax

an event, conclusion, statement, etc., that is far less important, powerful, or striking than expected.

 Antithesis

 the placing of a sentence or one of its parts against another to which it is opposed to form a balanced contrast of ideas, as in “Give me liberty or give me death.”

Apostrophe

The superscript sign ( ' ) used to indicate the omission of a letter or letters from a word, the possessive case, or the plurals of numbers, letters, and abbreviations.

anecdotal Evidence

non-scientific observations or studies, which do not provide proof but may assist research efforts.

 Aside

on or to one side; to or at a short distance apart; away from some position or direction:

Assonance

The repetition of identical or similar vowel sounds, especially in stressed syllables, with changes in the intervening consonants

Atmosphere

the gaseous envelope surrounding the earth; the air.

Audience

 the group of spectators at a public event; listeners or viewers collectively, as in attendance at a theater or concert.

Autobiography

a history of a person's life written or told by that person.

Ballad

a simple narrative poem of folk origin, composed in short stanzas and adapted for singing.

Bias

a particular tendency or inclination, esp. one that prevents unprejudiced consideration of a question

Biography

a written account of another person's life

blank verse

Verse consisting of unrhymed lines, usually of iambic pentameter.

Words and phrases that were used regularly in a language, but are now less common.