Imagine if you were working on an app that needed a calendar view. You create a frame and rename it to “calendar”. This frame name, now functions as a keyword, which causes Figma to show you results of another design from another office on another project.
When I’m working with a team of equal skill to myself, I will default to collaboration on all key decisions, and aspire to get buy in from everybody on the strategy and execution. To be clear, a PM should aspire to collaborate in all cases, but this relative-skill dynamic warrants it the most.