Have you ever wondered what reality is?

Have you ever noticed that people refer to reality as if it were a tangible thing? Why is that? Why do people feel that they are able to define what reality is for someone else?
I believe that each living creature is a database, in effect. We gather data from a variety of sources using the tools that we have (5 senses + intangible senses) and we then use that data to define our realities. Individually.
I don't think anyone would argue that each person feels/reacts/etc to stimuli differently. As such we are individual data filters who are exponentially prone to processing data differently from each other. If this is the basis of reality (which we are told it is) then how can we expect each individual's reality to be the same as another's?
I think, instead, that reality is only comprised of the points of existence that we share in common with another individual. Reality, then is the overlap in the Venn diagram. Reality is the inner join of data between two or more relational data points.
I think each of our existences far surpasses what most people call 'reality'.

Take my hand and walk with me, here in the darkness.