[nvisibl]

Do the cleaners of company 1 know the goals of the shareholders of company 1? Not necessarily, but still they do their own job within the overall work process.

Do the delivery drivers from company 2 responsible for bringing raw materials into company 1 know the goals of the shareholders of company 1, or the detailed workings of the cleaners of company 1? No, but the delivery drivers of company 2 still do their own job. A job which relates and assists the managed work process of company 1

I've tried to convey this point 3 times to you so far, i hope you get it this time.