Knowing how to construct performance dimensions is the one technique that makes our approach to benefit realisation practical in the real world. It allows us to talk quantitatively, i.e. using numbers to convey meaning. Without it we are just left with the situation in the Hitchhiker's Guide to the Galaxy for the universal answer to life, the universe and everything being 42. But 42 what?
Knowing how to construct performance dimensions is the one technique that makes our approach to benefit realisation practical in the real world. It allows us to talk quantitatively, i.e. using numbers to convey meaning. Without it we are just left with the situation in the Hitchhiker's Guide to the Galaxy for the 
