(2) Sea Level
Psalm 23 is about a simple and straightforward as poetry gets, which is part of the reason why it's one of the most popular religious texts of all time. Even accounting for the somewhat archaic language of the King James Version, there are no difficult or confusing words or images. The symbolism is sometimes vague, but this isn't a poem where pinning down symbols is essential. Psalm 23 is all about conjuring a mood, an atmosphere, and an emotion, and most readers have had no difficulty in connecting with the author despite the thousands of years that separate us from Biblical times.