The following words and phrases when used in this chapter shall have the meanings given to them in this section unless the context clearly indicates otherwise:
"Employer." An employer with a worksite in this Commonwealth at which more than 50 full-time employees are employed.
"Full-time employee." An individual that is employed by an employer and works at least 40 hours per week.
"Workplace posting." The posting created by the department under section 7402(a) (relating to workplace posting).