They are the places where people who share a belief
in some deity - some god - meet especially for business to do with that
And they are also said to be the
shared belief itself.
So that if you share the belief you're said to be
'in the church' even if you're not in a building.
So a church can be a building - any building - but it doesn't have to
be. It can be just the beliefs shared by a group.
I suppose a belief held by only
one person would be a church of one.
So it looks like we will always have churches.
Because we will always have people believing something or other.
Ah... but a church should
be about god.
Yes, sure. Well, same thing, we'll always have people
believing something or other about god.