Frontal system is a term used by meteorologists to describe a type of weather pattern associated with a boundary between two air masses. It is characterized by a zone of precipitation and temperature gradient that can bring rapid changes in the weather. Synonyms for frontal system include weather front, boundary, collision zone, convergence zone, and atmospheric front. The choice of which synonym to use may depend on the specific connotations or context of the description. For example, weather front may be more commonly used in general conversation, while atmospheric front may be used in more technical discussions. Regardless of the word choice, frontal systems play a critical role in the Earth's weather patterns and impact daily life in many ways.