Enter the definition of the term. When entering the definition, replace all acronyms with terms.

Enter the definition from the Authority Document.

Searching Authoritative Sources

If the Authority Document does not have a definition use the following sources to find a definition.

Single Words
Dictionary URL
Merriam-Webster https://www.merriam-webster.com/
Oxford English Dictionary https://en.oxforddictionaries.com
Cambridge http://dictionary.cambridge.org/us/
Dictionary.com http://www.dictionary.com/


Dictionary Url
webopedia http://www.webopedia.com/
TechTerms https://techterms.com/
Computer Dictionary http://www.computer-dictionary-online.org/
Free Online Dictionary of Computing http://foldoc.org/
Business Dictionary http://www.businessdictionary.com/definition/
Investopedia http://www.investopedia.com/dictionary/
TechTarget’s Dictionary http://whatis.techtarget.com/
The Law Dictionary http://thelawdictionary.org/

Searching the Internet

If none of the above sources has a definition for your term perform a Google search for your term with the following formats:

  1. define "[term name] is"
  2. define "[term names] are"
Base Term Single Form Plural Form
session lock define “session lock is” define “session locks are”
period of inactivity define “period of inactivity is” define “periods of inactivity are”
security-relevant information define “security-relevant information is”
define “security relevant information are”

Building a Definition

If Google fails to find a definition you must build a definition using using ISO 704:2009:

  1. Identify the context of the term
  2. Identity the attributes of the term 
  3. Identify the characteristics of the term
  4. Combine the characteristics to form the definition
  5. Adding the designation type to the definition


The Authority Document, Section, and Citation the term is found in.


The individual terms that comprise the term.


The definitions for each attribute that fits the context of the term

Combine Characteristics

Combine the characteristics together into a cohesive concept, your term’s definition, that fits the context in which it was found.

Designation Type

Every dictionary lists the designation type for each definition. This will be covered more in the next step.

 1. Definition-Type