As I ask and answer questions on this SE, I feel that we need some sort of easily reference standard for backgrounds for questions and answers.
For instance, I might ask a question about time travel:
If a society had limited (expensive and time consuming) access to time travel, how would it shape their culture?
Obviously, in order for people to make reasoned answers, they need to know about the technology and society that surrounds that question. Is this Ultra Tech? Star Trek? Is there magic available? Are people superstitious?
I feel it detracts from a question sometimes to have to define the skeleton of a world in your question or answer for it to make sense.
My suggestion: Define several Archetypical Worlds. Worlds with a given and pre-defined set of parameters that are easily linked to or otherwise referenced. This would let people ask a question and quickly give a familiar context.
If a society had limited (expensive and time consuming) access to time travel, how would it shape their culture? Assume this is in a High Fantasy world.
(note that, for lack of a better illustration, I linked to Wikipedia)
Given that, people who would answer the question can go to the community's definition of a High Fantasy world and all be working off the same premise instead of each person's distinct concept of "high fantasy"
It might even be easier to give them each a name, (Elerroth?) rather than taint people's thought processes with something as contentious as "high fantasy"
We have a lot of creative people in this community, think we could realistically nail down some of these?
Also, where can we keep them?