# one stick

"it was one stick wide." This was about 3.2 meters.

# the temple gate that faced east

This gate was part of the wall that surrounded the temple area. It was not part of the temple building itself. Alternate translation: "the gate on the eastern side of the wall surrounding the temple" or "the gate on the eastern wall of the temple courtyard"

# up its steps

"up the steps of the gate"

# in depth

"from the front edge of the threshold to its back edge"