• 一(horizontal line; boundary)
• 卜(stroke descending downward)

A vertical stroke pointing downward across a boundary line marks 'below'.

• 弓(bow (weapon))
• 玄(deep; dark)

A bowstring stretched across an arc creates a mysterious sound like the deep black of the void.

• 月(moon (pictograph))

The moon radical depicts a crescent moon with two horizontal strokes inside.

• 一(horizontal line; boundary)
• 卜(stroke descending downward)

A vertical stroke pointing downward across a boundary line marks 'below'.

• 弓(bow (weapon))
• 玄(deep; dark)

A bowstring stretched across an arc creates a mysterious sound like the deep black of the void.

• 月(moon (pictograph))

The moon radical depicts a crescent moon with two horizontal strokes inside.