=====Data dictionary=====
===Definition===
Data dictionary is information resource that records [[data_concept:data_element_specification|data element specifications]] and may include specifications of data structures composed of [[data_concept/data_element|data elements]].

===Relations=== 
|Data dictionary|is child of|[[data_quality_management_system:metadata|metadata]]| 
|Data dictionary|consists|[[data_concept:data_element_specification|data element specification]]|