"Lighthearted" refers to a cheerful and carefree attitude or mood. It describes a state of being that is free from serious concerns or worries, often characterized by a sense of joy and playfulness. People who are lighthearted tend to approach life with optimism and a sense of humor, making them enjoyable to be around. In literature and entertainment, a lighthearted tone can be found in various genres, such as comedy or children's stories. This tone often includes playful language, humorous situations, and uplifting themes, making it accessible and enjoyable for a wide audience.