The term "ground zeros" refers to the epicenter or starting point of a significant event, such as a terrorist attack or natural disaster. However, there are many synonyms for this phrase that can be used to describe the same concept. For example, "epicenter," "point zero," and "central point" all convey the idea of a location where a catastrophic event originated. Other options include "ground zero site," "origin point," and "initial impact zone." Regardless of which phrase is used, the intention is to refer to the focal point of a tragedy or disaster.