Final answer:
The rules that dictate a company's day-to-day workings are known as Policies. They provide a framework for consistent actions within the company, differing from its mission statement, vision, or objectives.
Step-by-step explanation:
The question asks about the rules or guidelines that dictate a company's day-to-day workings. The correct answer is C) Policies. Policies are a set of principles or rules that guide the decisions and actions of a company. They provide a framework for employees to operate within and ensure consistency in the actions undertaken by the company. Policies are different from a mission statement, which defines the purpose of the company, a vision, which outlines what the company aspires to become, or objectives, which are specific goals the company aims to achieve.