Meaning

• To relate or belong to; to have reference to or connection with; to affect the interest of; to be of importance to.

• To engage by feeling or sentiment; to interest.

  "A good prince concerns himself in the happiness of his subjects."

• To make somebody worried.

  "I’m concerned that she’s becoming an alcoholic."

Meaning

• Showing concern.

  "There was a concerned expression on her face as I told her the news."

• Involved or responsible.

  "The people concerned have been punished."