Cohesion (glossary)
- the attribute of a system that allows it to operate before, during, and after an encounter with a threat. (Hitchins 2009)
- the manner and degree to which the tasks performed by a single software module are related to one another (ISO/IEC/IEEE 24765:2010 Systems and software engineering--Vocabulary)
- the act or state of cohering, uniting, or sticking together. (Dictionary.com 2012)
Source(s)
Hitchins, D. 2009. "What Are The General Principles Applicable to Systems?" INCOSE Insight 12 (4) (Dec 2009): 59-63.
ISO/IEC/IEEE. 2010. Systems and Software Engineering - System and Software Engineering Vocabulary (SEVocab). Geneva, Switzerland: International Organization for Standardization (ISO)/International Electrotechnical Commission (IEC)/ Institute of Electrical and Electronics Engineers (IEEE). ISO/IEC/IEEE 24765:2010.
Dictionary.com. 2010. "Cohesion." Available as {http://dictionary.reference.com/browse/cohesion http://dictionary.reference.com/browse/cohesion].
Discussion
In systems engineering, cohesion refers both to the property of natural and social systems that similar elements are attracted to each other and to ability to operate in a threat environment. The context determines which definition is appropriate.
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