road-way, street, district, journey, course, moral, teachings
道 centers on a path or way, both literally (a road, street, or journey) and figuratively (a course of action, moral teachings, or a district as a defined route).
道 combines 辶 (movement, walking) with 首 (head), suggesting a path that one follows with one's head or direction. The idea of a way or road extends naturally to moral teachings and courses of action.
The movement radical 辶 wraps around 首 (head), like a head leading the way along a path. Think of a road or street that guides your journey, or a moral teaching that shows the right course.
For ドウ, imagine walking down a long road while humming a low 'dough' sound: dough -> ドウ, and the path stretches ahead like unbaked dough.
road; path; street; lane; passage
Hokkaido (island, prefectural-level administrative unit)
report (of news); reporting; news; information; (media) coverage
road; highway
railroad; railway; rail transport
tool; implement; instrument; utensil; apparatus; device
water supply; water service; waterworks; tap water
orbit; trajectory
prefectures (of Japan); largest administrative divisions of Japan: Tokyo-to, Osaka-fu, Kyoto-fu, Hokkaido and the remaining prefectures
morals; morality
judo
national road; national highway
footpath; walkway; sidewalk; pavement
Shinto; Shintoism
monastery; convent; cloister; abbey
highway (esp. one existing from the Edo period); main road
one-way (trip)
dojo; hall used for martial arts training
purpose; utility; objective
kendo; Japanese martial art using bamboo swords
the way back; the way home; return trip
steady; honest; sober; straightforward; reliable
trajectory; line of fire
distance; journey; itinerary
learning; studying the fine arts
hill road
roadway; road; carriageway
sewer; sewer system; sewerage; drain
reason; logic; sense; truth; right
martial arts; military arts; Bushido
roadside; wayside
calligraphy (esp. Asian calligraphy based on Chinese characters)
shorter way; shortcut
humanity
dropping in on the way; stopping off at; making a side trip
missionary work; proselytizing; preaching; evangelism
small tool; gadget
path through forest; woodland path
middle of the road; centrism; moderation; golden mean
mountain road; mountain trail
kyudo; Japanese archery
prefectural road
tea ceremony; Way of Tea; sadō
esophagus; oesophagus; gullet
humane
path; route; itinerary
elevated walkway through the audience to the stage
way out; means to escape; escape route
press corps
equator
road approaching a shrine
morality; moral principles
improper way (of doing); wrong way; unorthodox method
tunnel; (mining) gallery; level; shaft; pit
subterranean tunnel
footbridge; pedestrian bridge; pedestrian overpass
sea route
roadside; wayside; route
flower arrangement; floral art; ikebana
path of righteousness; path of duty; right track; correct path
main street; avenue
route; way; course; directions
byway; side street; cross street
detour; circuitous route; diversion
back lane; byway; back street
city road; municipal road
reason; logic
loitering on the way
humanism; humanitarianism
Director General of Hokkaido Development Agency
information media; press; news organs
pedestrian crossing; crosswalk
tap water
moral obligation
highway; freeway; expressway; motorway