Similar to 記録管理

Open Archival Information System

Traffic Light Protocol

XKeyscore

Classified information

Confidentiality

Freedom of information

Information security

Security clearance

Secrecy

Zettelkasten

29th century BC

28th century BC

27th century BC

26th century BC

25th century BC

24th century BC

23rd century BC

22nd century BC

20th century BC

19th century BC

18th century BC

17th century BC

16th century BC

15th century BC