1. A computer-implemented update-triggered document-defined workflow process comprising: interacting with an original source document so as to trigger a document method defined by said document to yield an updated source document; and in response to said triggering, executing said method so as to generate a workflow description that calls for creating, deleting, or modifying or so as to generate a workflow that creates, deletes, or modifies a target document other than said original document and other than said updated document.