About metaphors, using a word/phrase to describe two unrelated things (e.g you're an open book), using a sometimes more concrete idea to describe an abstract one (e.g time is money)
Dialect, sociolect, genderlect, familalect
Language perculiar to a region/social group, dialect of a specific class, language styles associated with different genders, words/phrases used and understood omly by a family/small group of people.
Prosodics
how we use rhythm stress and pace in speech to create particular effects
Intonation
The pitch
Stress
Where volume is raised to place emphasis on a particular syllable