Exccept for gods to be more than random key punching it for any non experiencers - talking about it as something understandable needs something to be agreed on as a meningful or logically non contradictory definition
I'm not sure that it does - certainly there are some believers who do not claim to have had a religious experience, yet they have sufficient a concept of 'god' to place faith in it.
As a non-believer, I couldn't give a concrete definition of god, and what I can give isn't always consistent or rational - partly because it's a portmanteau of a number of different sources and concepts, and partly because if it is real it's beyond our conceptual framework - but I can generate enough of an idea to talk about it rationally, even if only in terms of the impact it has.
As an analogy - no-one is clear if dark matter or dark energy actually exist, they are 'framework' names as placeholders for quantities and concepts we haven't accurately defined, as yet, but we can have rational discussions about the in terms of their impact and, therefore, their presumed properties, without being able to completely define them.
We just need to admit that the understanding and conclusions are provisional, of course, I'm not sure all believers are necessarily open to that idea (and some non-believers, too, I suppose).
O.