Final answer:
External-operational communication in a business context includes the efforts at selling, messages from employees, and orders and instructions from supervisors.
Step-by-step explanation:
b) It includes all of the business's efforts at selling, from sales letters and emails to ads, trade show displays, and customer visits.
d) It includes the messages that employees write and speak in carrying out their assignments and contributing their ideas to the business.
e) It includes the orders and instructions that supervisors give employees, as well as written and oral exchanges among employees about work matters.