• 之(walk; arrive; step on ground)

A footstep moving forward on the ground represents "go to," which then becomes a grammatical particle.

• 宀(roof)
• 子(child)

A child born under a roof and learning to speak gives rise to written characters.

• 足(foot; step)
• 各(each place; go to another place)

A road is where two feet step to reach everywhere.

• 之(walk; arrive; step on ground)

A footstep moving forward on the ground represents "go to," which then becomes a grammatical particle.

• 宀(roof)
• 子(child)

A child born under a roof and learning to speak gives rise to written characters.

• 足(foot; step)
• 各(each place; go to another place)

A road is where two feet step to reach everywhere.