 Others have taken an account of the nature of the doing/allowing distinction to be a necessary starting point for assessing its moral relevance. On this view, we cannot assess whether the difference between doing and allowing is morally significant until we know what that distinction is. Before discussing some prominent approaches to the analysis of the doing/allowing distinction and related assessments of its moral relevance, we will clear the way by identifying some related distinctions that are sometimes confused with the doing/allowing distinction.