old documents / (in palaeography) historical documents written to convey a specific intention between a sender and receiver; generally inclusive of written material through the mid-19th century

bizarre/unsettling text of unclear origin and often of a radical/shocking nature

place or building where stores public records; archive

standard form of a 表外漢字 (hyōgai kanji) used in printing; Publishing Standard Glyphs

extended shinjitai (unofficial shinjitai)

paleography

(computing) Simple Mail Transfer Protocol, SMTP

(computing) Simple Network Management Protocol, SNMP