court hearing, page-13

hcraboc

This is not a criminal court where it is referred to as disclosure

Wikipedia summarises discovery in a civil court well

..... discovery is the pre-trial phase in a lawsuit in which each party through the law of civil procedure can request documents and other evidence from other parties and can compel the production of evidence by using a subpoena or through other discovery devices, such as requests for production of documents, and depositions.

In other words, discovery includes (1) interrogatories; (2) motions or requests for production of documents; (3) requests for admissions; and (4) depositions