Human beings understand this, which is why any manager with half a heart will translate to the plain language version instinctively after they're done reading the HR-prescribed spiel.

HR is a profession whose purpose is to turn the process of hiring and employing human labor into a pantomime of financing and procuring capital goods or raw materials. Since their business is treating people like anything but people ("resources", contracts, "headcount", "cycles", etc.), this often slips their mind.