What is another word for reference frame?
Pronunciation: [ɹˈɛfɹəns fɹˈe͡ɪm] (IPA) 
A reference frame is a coordinate system that is used to describe the position of an object or event. There are several synonyms for the word reference frame. Some of the commonly used synonyms are: coordinate frame, spatial frame, frame of reference, and measurement frame. Each of these synonyms is used to describe a system that is used to measure and describe the position of an object or event. The choice of which synonym to use often depends on the specific context in which the term is being used, but all of these terms refer to the same basic idea of a system used for measuring and describing the position of objects or events.
