资料库 (zīliàokù) literally combines 资 (zī, 'resources'), 料 (liào, 'materials' or 'information'), and 库 (kù, 'storehouse' or 'warehouse'). Together, it means 'information repository' — a centralized digital or physical system for storing, organizing, and retrieving data, documents, or knowledge. It is commonly used in academic, technical, and administrative contexts to refer to databases, digital archives, or institutional collections of structured information.

Unlike the more general term 数据库 (shùjùkù, 'database'), which emphasizes technical structure and software, 资料库 carries a broader, often less technical connotation — it may include scanned documents, reports, reference materials, or even curated physical files. It’s frequently found in libraries, research institutes, government agencies, and corporate knowledge management systems. The word implies reliability, accessibility, and purposeful curation rather than raw computational storage.