The word, Carefree, and untroubled are related in their denotation. Which choice explains their connotation.

The choice that explains the connotation of the words "carefree" and "untroubled" is:

- Joyful or lighthearted: Both "carefree" and "untroubled" connote a sense of joy, lightness, and freedom from worries or burdens. They suggest a positive and pleasant emotional state.