come under something phrasal verb ( see also ↑ come )
1 . come under attack/fire/scrutiny etc to be attacked, shot at etc:
The government has come under attack from opposition leaders over proposals to cut health spending.
2 . to be governed or controlled by a particular organization or person:
The organization comes under the authority of the EU.
3 . if a piece of information comes under a particular title, you can find it under that title:
The proposals come under three main headings.