Antithesis emphasises the contrast between two ideas. The structure of the phrases / clauses is usually similar in order to draw the reader's / listener's attention directly to the contrast. Example: That's one small step for a man, one giant leap for mankind.
Anaphora is the succession of clauses or sentences starting with the same word(s). The same word or phrase is used to begin successive clauses or sentences. Thus, the reader's / listener's attention is drawn directly to the message of the sentence. Example: "A man without ambition is dead. A man ...
An allusion is an indirect reference to a person, event or piece of literature. Allusion is used to explain or clarify a complex problem. Note that allusion works best if you keep it short and refer to something the reader / audience is familiar with (e.g. famous people,(Greek) mythology, the bible ...
The initial consonant sound is usually repeated in two neighbouring words (sometimes also in words that are not next to each other). Alliteration draws attention to the phrase and is often used for emphasis. Examples: for the greater good of ...; safety and security Repetition of initial ...
A figure of speech in which a part is used for the whole (as hand for sailor), the whole for a part (as the law for police officer), the specific for the general (as cutthroat for assassin), the general for the specific (as thief for pickpocket), or the material for the thing made from it (as steel ...
Metonomy (unlike metaphor) uses figurative expressions that are closely associated with the subject in terms of place, time or background. The figurative expression is not a physical part of the subject, however (see synecdoche). Examples: The White House declared … (White House = US government / ...
Noctilucent cloud - from Latin noct- + lucent-, lucens lucenta- is a luminous thin usually colored cloud seen especially at twilight at a height of about 50 miles (80 kilometers).
Nacreous cloud is a luminous iridescent cloud at a high altitude that may be seen when the sun is a few degrees below the horizon.
