• 口(mouth; door)
• 后(behind; empress (figuratively—one who rules from behind))

A mouth giving orders from behind the golden throne is the authority of an empress.

• 甲(turtle shell; carapace)

The character depicts a turtle's shell with a crack running through it, symbolizing the hard protective covering.

• 木(wood; tree)
• 反(flip over; reverse; return)

A wooden board is made by splitting the tree trunk upside down.

• 口(mouth; door)
• 后(behind; empress (figuratively—one who rules from behind))

A mouth giving orders from behind the golden throne is the authority of an empress.

• 甲(turtle shell; carapace)

The character depicts a turtle's shell with a crack running through it, symbolizing the hard protective covering.

• 木(wood; tree)
• 反(flip over; reverse; return)

A wooden board is made by splitting the tree trunk upside down.