 Amongst the most widely-discussed mental entities in contemporary discussions of imagination are belief  (section 2.1),  desire  (section 2.2),  mental imagery  (section 2.3),  memory  (section 2.4),  and supposition  (section 2.5).  The resolution of these debates ultimately rest on the extent to which the imaginative attitude(s) posited can fulfill the roles ascribed to imagination from various domains of human understanding and activity  (section 3).