What is this 'Reality' you speak of?

[Forgotten_Futures]

With the advent of alternate reality and cross-time stories on the Dimensions Library boards, I think a discussion on what is and isn't reality is a perfectly good thread. So, let's hear it: what do you think constitutes reality and a lack thereof?

 

[Risible]

 

[Forgotten_Futures]

 

[Observer]

 

[Lardibutts]

 

[Observer]