Essential attributes are the qualities and characteristics that make up an individual's identity. They are the fundamental elements of a person's personality, and they can include physical traits, mental abilities, and emotional states. These attributes are often used to define a person's role in society, and they can be used to measure success or failure in various areas of life. PARTS, in this context, refer to the components of a person's essential attributes, such as their physical features, mental capabilities, and emotional states.