• 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.

• 长(long hair; old person (pictographic))

An old person with long hair cascading down symbolizes something lasting a long time.

• 足(foot; leg)
• 包(wrap; package)

Feet running like a wrap around the entire road, so fast that no one can keep up.

• 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.

• 长(long hair; old person (pictographic))

An old person with long hair cascading down symbolizes something lasting a long time.

• 足(foot; leg)
• 包(wrap; package)

Feet running like a wrap around the entire road, so fast that no one can keep up.