--- /dev/null
+.. This work is licensed under a Creative Commons Attribution 4.0 International License.
+.. http://creativecommons.org/licenses/by/4.0
+.. Copyright (C) 2019 IBM.
+
+Data Dictionary
+----------------
+.. toctree::
+ :maxdepth: 1
+
+Introduction:
+=============
+A data dictionary defines a specifc resource that can be resolved using the bellow supported sources.
+
+A data dictionary can support multiple sources.
+
+The main goal of data dictionary is to define generic entity that could be shared accross services.
+
+
+Resolution sources:
+===================
+
+ Input
+ Default
+ DB
+ REST
+ Capability
+
+Artifacts:
+==========
+
+ artifact-mapping-resource
+ artifact-template-velocity
+ artifact-directed-graph
+
+
+Node type:
+==========
+ component-resource-resolution
+ component-jython-executor
+ component-netconf-executor
+ component-restconf-executor
+
+Data type:
+==========
+ vnf-netconf-device
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