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.
Learner's definition of CREATIVE. 1. [more creative; most creative] : having or showing an ability to make new things or think of new ideas. He was more creative [=imaginative] than the other students. She's a very creative person. She has one of the most creative minds in the business.