This folder contains parts of the specification that are shared across the Item, Catalog and Collection specifications.
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Assets: Asset refers to data associated with Items or Collections that can be downloaded or streamed.
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Links: Links describe relationships with other entities, e.g. other STAC entities or external resources.
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Common Metadata: Common metadata defines commonly used fields in STAC that can be used in all STAC entities, e.g. Items, Collections, Catalogs, Assets, Links, Bands, etc.
Note: For backward compatibility, the JSON Schemas for common metadata are located in the folder that contains the JSON Schemas for the Item specification.