This is a list of key terms that are used in the collection. In many cases they have been gleaned from definitions provided in the leaked documents or from insight provided by the news articles, and in some cases Wikipedia.
- NSA-GCHQ Snowden Leaks: A glossary of the key terms (BBC)
- NSA Files: Decoded (The Guardian)
- How the NSA's Domestic Spying Program Works (Electronic Frontier Foundation)