A "perspective frame" refers to a device or structure that is used to view or represent objects or scenes in different angles or dimensions. Some of the common synonyms for perspective frame include "viewing angle," "vantage point," or "point of view." Other related terms that can be used to refer to a perspective frame include "perception," "outlook," "angle of vision," or "what you see is what you get." These words and phrases can be used interchangeably to describe a variety of visual tools or techniques, including cameras, lenses, mirrors, and screens that allow people to perceive the world around them from different perspectives.