Yume Nikki, Braingirl, and She Awaits all use icons for their list
Unaccomplished, Ultra Violet, Answered Prayers, Cerasus, Dream Genie, Amillusion and Mikan Muzou all use direction and object descriptors for their list
Someday, Deep Dreams, Oversomnia, nostAlgic, If and Yume Tsushin all use object descriptors for their list
Uneven Dream and Yume Tagai don't list nexus worlds, Muma|Rope is inapplicable too