If you have multiple Brands in your Fortifi Organisation then you can define the Visibility of each Brand Globally, at the Foundation Level and at a Publisher level.
For instance you might set a Brand to not be visible in Marketing at the Global level, but then in certain Foundations you might want to set that Brand as visible.
And ultimately at the Publisher level you can define change the Brand Visibility to be visible, regardless of the inherited visibilty from the Global or Foundation setting: