What does 1 Kings 6:15 mean?

And he built the walls of the house within with boards of cedar: from the floor of the house unto the walls of the ceiling, he covered them on the inside with wood; and he covered the floor of the house with boards of fir.

And he built the walls of the house within with boards of cedar, both the floor of the house, and the walls of the cieling: and he covered them on the inside with wood, and covered the floor of the house with planks of fir.

And he built the walls of the house within with boards of cedar: from the floor of the house unto the walls of the ceiling, he covered them on the inside with wood; and he covered the floor of the house with boards of fir.

The walls of the house were covered inside with cedar-wood boards; from the floor to the roof of the house they were covered inside with wood; and the floor was covered with boards of cypress-wood.

and he buildeth the walls of the house within with beams of cedar, from the floor of the house unto the walls of the ceiling; he hath overlaid with wood the inside, and covereth the floor of the house with ribs of fir.

And he built the walls of the house on the inside, with boards of cedar, from the floor of the house to the top of the walls, and to the roofs, he covered it with boards of cedar on the inside: and he covered the floor of the house with planks of fir.

And he built the walls of the house within with boards of cedar, from the floor of the house to the walls of the roof; he overlaid [them] on the inside with wood, and overlaid the floor of the house with boards of cypress.