variables;  uncertain elements;  uncertainties;  imponderables
 number of elements (e.g. in a matrix)
 underlying technology;  technology behind (a product)
 language construct;  entity
 data element;  data entity
 two-factor authentication
 display element;  graphic primitive;  output primitive
 display element;  graphic primitive;  output primitive
 previous specified element
 graphical primitive elements
 contextually optional element
 Common Management Information Service Element;  CMISE
 essential elements of information
 track and hold unit;  track and store unit
 code element;  code value;  coded representation
 element of service;  service element
 factor proportions theory (of international trade)
 multi-factor authentication
 symbiotic service element