What are the different types of portrait poses that can be used to capture the essence of a subject?

There are several types of portrait poses that can be used to capture the essence of a subject, including traditional poses, candid poses, environmental poses, and creative poses. Traditional poses involve classic and formal positioning of the subject, while candid poses capture natural and spontaneous moments. Environmental poses incorporate the subject's surroundings into the composition, and creative poses involve unique and artistic positioning to convey a specific mood or theme.