What does the suffix '-graphy' refer to?

The suffix '-graphy' is derived from Greek, meaning "to write" or "to record." It refers specifically to the process of creating a record, typically in the context of imaging or documenting medical findings. For instance, in terms such as "radiography" or "angiography," the suffix indicates methods of recording visual images of body structures for diagnostic purposes. This connection to record creation is foundational in medical terminology, emphasizing how various techniques are used to visualize and document internal conditions or anatomical features. Thus, the correct answer captures the essence of how this suffix functions within medical language.