In regular language, "mercy" means being caring and compassionate toward people in poor states. That's a position we are all in relative to the Lord, all the time. Without Him we would be unable to choose what is good; without Him we would be unable to formulate a reasonable thought. Without Him, in fact, we would instantly cease to exist; we have life only because He constantly gives us life. So we are, quite literally, at His mercy. Fortunately, the Lord is caring and compassionate to a degree we cannot fathom. He is the source of all caring and all compassion, and of love itself. His mercy toward us never lessens, never abates, never ends; His whole purpose is to bring each of us, individually, to heaven. The meaning of "mercy" in the Bible is closely tied to this idea: it represents love in a general sense, and the desire for good that comes from love. It can also represent the desire for good and the ideas that describe it when those thoughts and desires are inspired by love of the Lord.

To “dwell” somewhere, then, is significant – it’s much more than just visiting – but is less permanent than living there. And indeed, to dwell somewhere in the Bible represents entering that spiritual state and engaging it, but not necessary permanently. A “dwelling,” meanwhile, represents the various loves that inspire the person who inhabits it, from the most evil – “those dwelling in the shadow of death” in Isaiah 9, for example – to the exalted state of the tabernacle itself, which was built as a dwelling-place for the Lord and represents heaven in all its details. Many people were nomadic in Biblical times, especially the times of the Old Testament, and lived in tents that could be struck, moved and raised quickly. Others, of course, lived in houses, generally made of stone and wood and quite permanent. In between the two were larger, more elaborate tent-style structures called tabernacles or dwellings; the tabernacle Moses built for the Ark of the Covenant is on this model.