• 一(one; horizontal line (barrier))
• 廾(two hands lift up)

Two hands push up the barrier together to open it.

• 黑(black; dark color (depicting a face blackened by smoke and fire))

A face covered by smoke and fire symbolizes the dark black color.

• 一(one; horizontal line (barrier))
• 廾(two hands lift up)

Two hands push up the barrier together to open it.

• 黑(black; dark color (depicting a face blackened by smoke and fire))

A face covered by smoke and fire symbolizes the dark black color.