I believe the answer is specific.
A hook is to catch the readers attention. A hook can be, Chewing gum helps you concentrate for longer, study suggests.
Yes they are both forms of a noun.
Hear are other examples of nouns:
Sydney, boy, Paris, city and desk.
If you have it, it is a noun
1.)take control
2.)take time off
3.)take part
4.)take it easy
5.)take your time
