- 2Signification: holehollow depression basin indentationcrater bowl recess cavity
- 3Signification: valleydepth gulf pit shaftwell crater chasm abyss
- 4Signification: channelhollow groove furrow dipcup crater trough
- 5Signification: excavationpit hole hollow craterlode shaft quarry
- 6Signification: thinghole cavity depression basin indentationcrater bowl recess hollow