Sales training teaches techniques for selling, covering prospecting, lead generation, customer needs identification, presenting offers, objection handling, and deal closure. It encompasses areas like sales skills, product knowledge, customer behavior, communication, and sales management. Customer service training emphasizes skills and attitudes for delivering high-quality service, covering effective communication, empathy, problem-solving, managing difficult customers, handling complaints, and creating positive experiences. The goal is to instill the importance of excellent service and ensure consistent delivery by employees.