• 曰(speak; bright cloud)
• 乚(lightning bolt; hook stroke (downward))

A flash of lightning bursts bright through the clouds—that is electricity itself!

• 子(child (pictographic))

The character 子 depicts a newborn child with a large head and arms outstretched.

• 穴(row; gap)
• 工(craftsman; work)

An empty cave with nothing inside is just hollow space.

• 門(door; leaf)
• 日(sun; light)

A beam of sunlight shining through a crack in the door creates the empty space in between.

• 曰(speak; bright cloud)
• 乚(lightning bolt; hook stroke (downward))

A flash of lightning bursts bright through the clouds—that is electricity itself!

• 子(child (pictographic))

The character 子 depicts a newborn child with a large head and arms outstretched.

• 穴(row; gap)
• 工(craftsman; work)

An empty cave with nothing inside is just hollow space.

• 門(door; leaf)
• 日(sun; light)

A beam of sunlight shining through a crack in the door creates the empty space in between.