revolve around

verb — 2 senses

revolve around

verb

1

Literally To rotate about (an axis); to orbit.

The Earth revolves around the Sun.

2

Idiomatic To be essentially connected with; to concern.

His life revolves around beer and bad jokes.
In Chapter 1 we learned the fundamental security concepts revolving around the DMZ, what the DMZ is, and how to design a basic DMZ with traffic flows.2003, Robert J. Shimonski et al., Building DMZs For Enterprise Networks, Syngress, page 50:

1 more example

However, at that time I was already into the mode and interest of another important topic of international law revolving around the principle of sovereignty and territorial integrity and self-determination related mainly to secessionist movements.2014, Besfort T. Rrecaj, The Politics of Legal Regimes of Nuclear Energy in the Aspect of International Security, page 11:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.