That which distinguishes; a single occurrence of a determining factor or feature, the fact of being divided; separation, discrimination.
The act of distinguishing, discriminating; discrimination.
Specifically, a feature that causes someone or something to stand out as being better; a mark of honour, rank, eminence or excellence; being distinguished.
The state of being unknown; a thing that is unknown.
The quality of being difficult to understand; a thing that is difficult to understand.
Darkness; the absence of light.