Description: Characterization of a document in terms of the purpose or information it contains; Name: Document type
Description: classification of a document according to its purpose or the information it contains; Name: type of document
Description: permanent operation, short-term operation or periodic operation characterized by one of more loads and which remains unchanged during a certain period, or, in the case of non-periodic operation, where the load and speed generally change within the permissible operating range; Name: Operation type time sequence of the drive