A word frequently translated as the grave is the Hebrew שְׁא֣וֹל – sheol, but sheol is far more than just the grave. The grave is a portal into the underworld realm of the dead.
The Grave: שְׁא֣וֹל – sheol
Known of God
"You can only be fully loved when you're fully known,' is heartwarming sentiment and it's used as an exhortation to participate in small groups which meet between church services on week days.
Sides: בְּיַרְכְּתֵי – beyerekah
Once you enter the great gulf nothing can stop your fall into the core. The pit is everything below the mantle. If the sides of the pit is the lower mantle, then the pit includes the great gulf.
Mist or Steam?
The context of the mist that went up is important. It's part of the narrative of the week of creation when the fountains of the great deep had to be sealed after the deep had drained through them into the interior of the Earth.
A Spellyng Mystaque
It turns out that theologians fudge their data just like scientists do. Sometimes things don't make sense, do they? What could possibly be wrong with helping them make sense? This approach is inductive, aka eisegesis.
The Analytical Hebrew and Chaldee Lexicon
In preparing the Lexicography, Gesenius has been chiefly relied upon for definitions; but the works of Dr. Lee, Winer, Biesenthal, Furst, and others, have been compared throughout.
The Lamb of God
Why was the lamb slain at the foundation of the world? So that light could become darkness, good could become evil, the sinless could become sin, and we could have sentient life with free will.
The Nuance of the Earth’s Corners
Here's a little nuance for you: Human head don't have corners, but a beard can. We can illustrate this by putting a cheese slice on a kid's ball. The cheese has corners, the ball isn't flat.
Intermeddle with: יִתְגַּלָּֽע – yitgalla
To be obstinate, shew the teeth, then snarl, quarrel.
All wisdom: תּ֝וּשִׁיָּ֗ה – tushiyah
Sound, efficient wisdom, abiding success.
Matty's Paradigm 