Note: While writing this post, I looked back at a post I wrote entitled Understanding ETL to ELT by Going to Costco. That post does exactly what I say we should not do in this post. It takes a process and explains it using a metaphor that cannot hope to fully encompass what I try to say. I do think that metaphors can be somewhat useful when attempting to give a high-level overview of a subject, but I think I did it rather poorly in that post.
