Definition of 'policy': https://www.merriam-webster.com/dictionary/policy Definition of 'politics': https://www.merriam-webster.com/dictionary/politics My brief opinion of the difference is a 'policy' is a rule set in place, and 'politics' is the subject/topic on government related issues/debates. When are they used? I kind of don't understand the full extent of what you're asking, but you would often see or read about 'politics' in the news or government related things. As for 'policy', you can most commonly find this used in a workplace (or websites that have policies you have to agree to in order to use the website, e.g.) that has guidelines/rules/policies in place to protect an employee or employer as well as in government related things.

policy is the policy adhered to by someone or an organisation. The politics are the things that a person or organisation does or will do, to spread their its ideologies. "It is my policy to accept all people as being human and requiring the same needs, sharing the same basic goals and dreams. It is my politics to avoid politics as far as possible, this is also my policy as well as my political viewpoint" Policy: NOUN a course or principle of action adopted or proposed by an organization or individual. Politics: NOUN the activities associated with the governance of a country or area, especially the debate between parties having power. NOUN activities aimed at improving someone's status or increasing power within an organisation. often people make or adopt policies to further their political aims and wishes.

When are they used? Subject-verb inversion in a question