A more thorough explanation:

Definition: Formata (pronounced for-may-tuh) is a term used in Ecclesiastical law that refers to canonical letters.

Example: When a bishop sends a letter to another bishop or to a group of people, it is considered a formata.

Explanation: In Ecclesiastical law, a formata is a type of letter that is considered to be official and authoritative. These letters are often sent by bishops or other church officials to communicate important information or instructions. The term "formata" comes from Law Latin, which is a type of Latin used in legal documents and proceedings.