Radicals ( Radical74) three strokes in Kanji;
dimensional, e.g.
;
directional, e.g.
;
logical, e.g.
in PHYSICS, this character () is somehow related to Yagi antenna, also see: Wireless Antenna;
numerological, e.g.
3;
structural, e.g.
IFF Nama For Humanoid, refresh Atomic Radio Antenna;
IFF 180° diff, also see: Radical103;