“bow down.” The common biblical way of bowing down before people or God was to fall to one’s knees and bow the upper body to the earth. It is the same Hebrew word as “worship.” [For more on bowing down, see commentary on 1 Chron. 29:20].
“loaf of bread.” A “loaf” of bread was quite like a pancake.
“piece of bread.” Cp. Judges 19:5.