The modules above are not separate applications that exchange files on a schedule. They are views of the same shared program objects. A part is the same approved part whether you meet it in a bill of material, a quote, an inventory exposure, a change proposal or a design file. The shared approved-source view stays linked to each party's private supplier and commercial records without turning those private records into common data.
That is what makes a question like this answerable in one place: we want to substitute this connector, so what does it touch? A suite of integrated products answers that with a meeting. One record answers it with the list: the assemblies affected, the supplier that has to be requalified, the work orders already in flight, the inventory that becomes obsolete, and the quality documents that have to be revised before the change can close.
The value compounds rather than resetting.
A program managed in the EquatorOps Platform for a year holds its own history: why this manufacturer was approved, what the last three changes actually changed, which accepted price and terms took effect, which approved source slipped and when, and what was current the day a lot shipped. That is the record you want when a new engineer inherits the product, when the factory proposes a substitution, and when an auditor asks about something that happened before anyone in the room was involved.