There are many synonyms for the term "general guideline". Some of these include "basic principle", "standard", "protocol", "framework", "procedure", "rule of thumb", and "recommended practice". These synonyms all refer to a set of instructions or rules that provide direction on how to do something. They are often used in situations where there is a need for structure and consistency, such as in business or educational settings. While each synonym has its own unique nuances, they all share the common trait of being a general guide to follow. By using these synonyms in writing or conversation, you can add variety to your language and more effectively communicate your ideas.