- 2Betekenis: peakheight summit top zenithapex acme apogee pinnacle
- 3Betekenis: circlecircumvention ring circuit apogeeround orbit ellipse
- 4Betekenis: endedge border extremity buttboundary last bounds apogee
- 5Betekenis: apexzenith culmination extremity peakclimax acme apogee meridian
- 6Betekenis: shapecircle circumvention ring circuitapogee round ellipse orbit