• 一(first; number one (pictographic))

A single horizontal stroke symbolizes the number one, the beginning of all things.

• 門(door leaf; wing (of a door))

The character 門 depicts two symmetrical door panels facing each other, symbolizing an entrance or gate.

• 弋(wooden stake; bow (for arrows))
• 工(work; boatman)

Using wooden stakes and tools together creates a standard template or ritual form.