👉 A photochronological system is a type of digital storage that uses a photograph to record events and time. It consists of two main parts: the image itself, which contains all the information about the event or object being recorded; and a timestamp, which indicates when the image was taken and what time it was taken at. In this context, "photochronological" refers to a system that allows you to view and access all the events in chronological order. This can be useful for storing information such