- 2Signification: in back ofbehind back to the rear out back
- 3Signification: rearwardto the rear back backward behind in reverse
- 4Signification: positionin back of after followingback to the rear behind
- 5Signification: aftrearward behind backto the rear astern abaft
- 6Signification: abaftrearward behind backto the rear aft astern
- 7Signification: directionbackward to the rear awayoff rearward back