Radicals ( Radical170) six strokes in Kanji;
dimensional, e.g.
Automotive (e.g. boat, ship) ... ;
directional, e.g.
;
logical, e.g.
boat; ship;
Funa (i.e. place name); Funazaki (i.e. family name); Shuu (i.e. female name);
numerological, e.g.
6;
structural, e.g.
a water drop alike a little stroke inside the "ro" box (refer to mouth) to drink; door (gateway) character is going to be with horizontal center level (horizontal level) AND vertical level; at top, capping but always diagonal (refer to vertically not staple because of current, tidal, and wind);