Combined from 并 [并] + Self [自] + 込 [込] + Head / Neck [首] to compose 道: represents "course".
highway
orbit, railroad track
use
dojo, hall used for martial arts training, mandala
information, report
one-way (trip)
calligraphy
equator
detour
itinerary, route
railroad
morals
road, highway
footpath, walkway, sidewalk
judo
water supply
tool, means
street