The highlighting or exposing of human foolishness making fun of them. This kind of writing can range from being gentle and light to extremely biting and bitter in tone (see Charlie Brooker on TV).
A sentence which contains only one main clause. They are often short and simple (eg. The boy ran quickly) but this kind of sentence could be long too. Eg. "The boy wearing the black and white padded jacket ran quickly down the road at lunchtime". It contains a simple subject and predicate.
A _____ sentence consists of at least two main clauses joined together by a conjunction. Co-ordinating conjunctions are words which join two parts of a sentence together so that neither part is more important than the other eg. and, but, or, nor, either, neither.
A ________sentence consists of a main clause plus one or more subordinate clauses. A subordinate clause cannot stand on its own and may come before or after the main clause.