首

shou

head

a person's face with hair on top to mean a head

辶

chuo

道

dao

road, path, way

head (shou) + go (chuo)

the direction the head, the leaders goes is the way; this ch. also means morals and a quantifier for long items

寸

cun

inch, unit of length

joint

hand

导

dao

guide, lead

unborn child (si) + hand/joint (cun)

leading a young child by the hand so the child will not fall down