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 # FilterLists
 FilterLists is the community-driven, independent, and comprehensive directory of all public filter lists for advertisements, trackers, and annoyances.
+
+## Architecture
+### json-data
+#### global.json
+Lists that are actively maintained, unique, original (or fork of a stale master), and useful globally.
+#### regional.json
+Lists that are actively maintained, unique, original (or fork of a stale master), and useful for sites serving a specific region.
+#### forked.json
+Lists that are actively maintained forks of active or stale master lists.
+#### combo.json
+Lists that are actively maintained and combinations of two or more other lists.
+#### stale.json
+Lists that are no longer actively maintained. Archived for posterity.
+### json-schema
+The json-schema.org specification for each of the five list types contained in json-data. When contributing, please consult the schema files.