The document describes the basic CRUD (Create, Read, Update, Delete) operations for CouchDB databases and documents. It provides the syntax and examples for creating and deleting databases, creating, reading, updating, and deleting documents, and attaching files to documents. The operations make use of cURL commands to interface with CouchDB through HTTP at the given port (5984 in examples). Verification steps using cURL are included to check the results of each operation.