card-file system

Meanings

1. A method of organizing information using physical index cards in a container with dividers (like an old library catalog or a modern personal organizer); using individual cards for discrete records, sorted for quick retrieval, whether for household tasks, business contacts, or digital files.
2. A digital file structure (like the PS2 memory card system or smart card OS) that mimics this hierarchical, card-like organization for data storage.