A more thorough explanation:

An actor is a person who performs in plays, movies, or television shows. They portray characters and bring them to life through their acting skills.

For example, Tom Hanks is a famous actor who has starred in many movies such as Forrest Gump, Cast Away, and Saving Private Ryan. He is known for his ability to convincingly portray a wide range of characters.

The term "actor" can also have other meanings. In the past, it was used to refer to a person who acted as an advocate or pleader for someone else in legal matters. It could also refer to a person who sues or makes a claim in Roman law.

Overall, an actor is someone who uses their talents to bring characters to life and entertain audiences.