Final answer:
Professional development is about acquiring or strengthening skills for job performance, including soft skills, technical skills, legal knowledge, and interpersonal relationships.
Step-by-step explanation:
Professional development is the process of acquiring or strengthening skills needed to maintain, improve, or expand on-the-job performance.
These skills can include soft skills such as communication and teamwork, technical skills specific to a particular job or industry, legal knowledge related to laws and regulations, and interpersonal relationships that enable effective collaboration with colleagues and clients.