hinge on

The series hinges on marriage proposals, romantic ideals, the pressure of status and the perils and promises of money.

In fact, the entire live-action endeavor hinged on whether Toothless could be properly translated as a photorealistic dragon among human actors and physical sets, while retaining the charm of the animated movies.

But politics hinges on finding advantage in adversity.

Mondelēz described Aldi's business model as hinging on "low-priced private label products that resemble the look and feel of well-known brands".

It doesn’t feel like the show hinges on those elements of identity.