Key Personnel positions: what if no duties defined?

A solicitation is issued. It lists several Key Personnel positions. It just lists them, like it says the KP are "Contract Manager" and "Project Manager." But the solicitation does not give definitions for these Key Personnel. Nor does it list required duties, how much time each person must devote to certain tasks or responsibilities, etc. Section L required that, if submitting KP Past Performance Efforts, the proposed Key Personnel must have performed "the same" in the past as they are being proposed to perform in the future.

An offeror's proposal is "dinged" for not proposing KP in the "same roles." Now this is an issue in dispute between the agency and the protester.

Question: are there any Industry Standard definitions of what a "Contract Manager" is versus a "Project Manager"?