In a recent discussion with friends about the existence or nonexistence of God, it soon became apparent that there are very different definitions of "existence" being used, and that this seeming hair-splitting is unavoidable if one wants to make any meaningful statement about God's existence. For instance, the Eiffel Tower exists because it is made up of atoms, but no one claims God is made of atoms, so God clearly doesn't exist in the same way the Eiffel Tower does. France, on the other hand, exists as a collective understanding; that doesn't mean that France is a figment of people's imaginations, but it does mean that without people there would be no "France" in any meaningful sense. Many atheists would concede that God "exists" in this sense. But then in what sense does "information" exist? It seems to be a combination of material (which holds the information), and an intelligence (which interprets the information), but I'm not clear on this. I can't say with certainty in what sense concepts like "information", "order", or "truth" exist, or in what sense God is thought to "exist" by various theists.
Can you shed any light on this, or can you point me to philosophers who have expounded on this theme?