  Some of the topics metaethicists address concern the metaphysics and ontology of morality. Others concern its epistemology and its semantics (and metasemantics). Moral disagreement has been thought relevant to all those subfields, and the entry is organized in accordance with the divisions among them. However, one of the points the discussions below are meant to illustrate is that the topics are related and that the positions and arguments that have been put forward in one of the subfields might be relevant also to those in another.