One definition of a hook is a musical or lyrical phrase that stands out and is easily remembered. Definitions typically include some of the following: that a hook is repetitive, attention-grabbing, memorable, easy to dance to, and has commercial potential and lyrics. A hook has been defined as a part of a song, sometimes the title or key lyric line, that keeps recurring.
Creative accounting is a euphemism referring to accounting practices that may follow the letter of the rules of standard accounting practices, but deviate from the spirit of those rules.
The creative process involves a free flow of information such that ideas are thrown off almost randomly and with some degree of reckless abandon. Some are kept, some are tabled, some are discarded, and some are combined with others.