Cross Reference
223.40 (Gray) external, superficial points of a system
223.65 (Gray) points defining modular subdivisions (length, area, vol.)
224.07 (Gray) sphere; center & surface
240.05 (Gray) tetra of negligible altitude & base
240.09 (Gray) undifferentiated focal star complex
240.12 (Gray) six vectors for every point
240.28 (Gray) embryo articulates as six vectors
445.05 (Gray) VE as domain of a point
510.05 (Gray) star event: focus
515.011 (Gray) points defining modular subdivisions (length, area, vol.)
