1. Technical: Manuals, instructions, tutorials, procedures, specifications, etc., that accompany a piece of equipment or software, and provide guidance for its proper use and maintenance.
2. Trading: Preparation of a set of commercial and financial documents that record or support a business transaction. International trade documentations include air waybill, bill of exchange, bill of lading, certificate of inspection, certificate of insurance, certificate of origin, commercial invoice, and consular invoice.