 In sum, then, the agent-relative/agent-neutral distinction shares a number of features with several other distinctions, and therefore is easily confused with those other distinctions. These other distinctions have been broken down into six families, where those families are divided in terms of what the distinctions in question have in common with the agent-relative/agent-neutral distinction. Having discussed all six of these families at some length, it may be useful to provide a concise review of the defining features of each family: