“道”亦为路,其趣意甚广。宽阔的大路叫“大道”;狭窄的小路叫“小道”;一往直前的路叫“直道”;拐弯的地方叫“弯道”;前面无阻的路叫“通道”;受阻而环绕行走的路叫“绕道”;船舶航行的水路叫“航道”;火车行驶的铁路叫“铁道”;上下山路叫“山道”;旧时设立关卡的地段叫“关道”。 “Road ” is also a road, its interesting. The wide road called “Avenues ”; the narrow path called “Trail ”; go straight ahead called “straight ”; corner of the place called “bend ” in front of an unobstructed road called Channel “; obstructed and walk around the road called ” detour “; the waterway of the ship is called ” waterway “; train driving the railway called ” railroad “; up and down the mountain called ” Hill Road “; The location of the level called ”off road ".