>[!abstract] >A Zettelkasten (German: "slipbox") or card file consists of small items of information stored on Zetteln (German: "slips"), paper slips or cards, that may be linked to each other through subject headings or other metadata such as numbers and tags. It has often been used as a system of note-taking and personal knowledge management for research, study, and writing ("Zettelkasten", 2025). ## References - Zettelkasten. (2025, January 4). In *Wikipedia*. https://en.wikipedia.org/w/index.php?title=Zettelkasten&oldid=1266265613 ## Related - [[Digital garden]] - [[Exobrain]]