I need to define a "world." This blog was nothing but world travel, and I can't even explain what a world is; I can just get angry at persons who call non-worlds "worlds." So, here is what others say: - A world is an environment (well duh) - It is an environment where people can manifest themselves in some symbolic, visual, auditory or other sensory representation (spatial metaphors: people can enter, be present) - avatars - People thus "present" in the world can create further sensory representations... read more