Final answer:
The subject of this question is cosmetology and the concept of an authorized operator in the field.
Step-by-step explanation:
In the context of this question, the subject being referred to is cosmetology. Cosmetology is the study and practice of beauty treatment, including hairstyling, skincare, and nail care.
The word 'operator' in this context refers to an individual who is authorized by the department to perform acts or practices related to cosmetology.
For example, in some states, a cosmetology operator is required to have a license in order to legally perform services such as cutting hair, applying makeup, or providing spa treatments. Licensing ensures that operators have sufficient knowledge and training in the field.
Learn more about cosmetology