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+# Data structures
+
+These are the main internal data structures of `netdata`. Created with `draw.io`.
+
+![Config](https://raw.githubusercontent.com/netdata/netdata/master/diagrams/data_structures/netdata_config.svg?sanitize=true)
+
+![Registry](https://raw.githubusercontent.com/netdata/netdata/master/diagrams/data_structures/registry.svg?sanitize=true)
+
+![RRD](https://raw.githubusercontent.com/netdata/netdata/master/diagrams/data_structures/rrd.svg?sanitize=true)
+
+![Web](https://raw.githubusercontent.com/netdata/netdata/master/diagrams/data_structures/web.svg?sanitize=true)