• 肉(flesh; meat)

The character 肉 mimics a piece of meat with muscle fibers inside.

• 口(mouth; rectangular frame)
• 丨(vertical line through the middle; axis)

An arrow hitting the center of a target frame is the bull's-eye—that's CENTER.

• 朿(sharp thorn; prickle)
• 刂(knife (radical))

Using a knife to stab into a sharp thorn—that is the action of piercing.

• 肉(flesh; meat)

The character 肉 mimics a piece of meat with muscle fibers inside.

• 口(mouth; rectangular frame)
• 丨(vertical line through the middle; axis)

An arrow hitting the center of a target frame is the bull's-eye—that's CENTER.

• 朿(sharp thorn; prickle)
• 刂(knife (radical))

Using a knife to stab into a sharp thorn—that is the action of piercing.