Register is the level of formality of language used for a particular purpose and audience. Generally variation in register moves from formal (Good morning) to informal (Hi) .
See clauses
A word, a phrase or a full sentence or a poetical line repeated to emphasise its significance. Repetition is a rhetorical device.
The way English print travels from left to right and then returns to the left of a page for the next and each subsequent line.
Use of language that is intended to have an effect on an audience such as evoking an emotion or persuading an audience (for example, metaphors, repetition, rhetorical questions).
A root is a word part that provides the basic meaning of a word. A root word has no affixes.