| class  | ProductAIP | The Product AIP class defines a product for the
         Archival Information Package. | 
| class  | ProductAncillary | The Product_Ancillary class defines a product
         that contains data that are supplementary to observational data
         and cannot reasonably be associated with any other
         non-observational data class. | 
| class  | ProductAttributeDefinition | The Product Attribute Definition provides an
         attribute definition in XML encoding. | 
| class  | ProductBrowse | The Product Browse class defines a product
         consisting of one  encoded byte stream digital
         object. | 
| class  | ProductBundle | A Product_Bundle is an aggregate product and has
         a table of references to one or more
         collections. | 
| class  | ProductClassDefinition | The Product Class Definition provides a class
         definition in XML encoding. | 
| class  | ProductCollection | A Product_Collection has a table of references
         to one or more basic products. | 
| class  | ProductContext | The Product Context class describes something
         that provides context and provenance for an observational
         product. | 
| class  | ProductDataSetPDS3 | The Data Set PDS3 product  is used to create
         proxy labels for the data sets in the PDS3 Data Set
         catalog. | 
| class  | ProductDIP | The Product DIP class defines a product for the
         Dissemination Information Package. | 
| class  | ProductDIPDeepArchive | The Product DIP_Deep_Archive class defines a
         product for the Dissemination Information Package for the deep
         archive. | 
| class  | ProductDocument | A Product Document is a product consisting of a
         single logical document that may comprise one or more document
         editions. | 
| class  | ProductExternal | The Product External class defines a product
         that does not reside within the PDS archives. | 
| class  | ProductFileRepository | The Product File Repository class consists of a
         single text file. | 
| class  | ProductFileText | The Product File Text consists of a single text
         file with ASCII character encoding. | 
| class  | ProductInstrumentHostPDS3 | An Instrument Host product describes an
         instrument host. | 
| class  | ProductInstrumentPDS3 | An Instrument product describes an instrument. | 
| class  | ProductMetadataSupplemental | The Product_Metadata_Supplemental class is used
         to provide new, and/or improved, metadata for some or all of the
         basic products in a single collection. | 
| class  | ProductMissionPDS3 | An Mission product describes a mission. | 
| class  | ProductNative | Product_Native is used to describe digital
         objects in the original format returned by the spacecraft or
         experimental system when that format  cannot be described using
         one of the PDS4 formats specified for observational data (tables
         or arrays,  excluding Array_1D). | 
| class  | ProductObservational | A Product_Observational is a set of one or more
         information objects produced by an observing
         system. | 
| class  | ProductProxyPDS3 | The Product Proxy PDS3 class defines a product
         with enough information to register a PDS3 data
         product. | 
| class  | ProductService | The Product Service class defines a product for
         registering services. | 
| class  | ProductSIP | The Product SIP class defines a product for the
         Submission Information Package. | 
| class  | ProductSIPDeepArchive | The Product SIP Deep Archive class defines a
         Submission Information Package (SIP) for the NASA planetary
         science deep archive. | 
| class  | ProductSoftware | Product Software is a product consisting of a
         set of one or more software formats. | 
| class  | ProductSPICEKernel | The Product SPICE Kernel class defines a SPICE
         kernel product. | 
| class  | ProductSubscriptionPDS3 | The Product_Subscription_PDS3 class provides the
         list of subscriptions for a PDS3 subscriber. | 
| class  | ProductTargetPDS3 | A target product describes a target. | 
| class  | ProductThumbnail | The Product Thumbnail class defines a product
         consisting of one encoded byte stream digital
         object. | 
| class  | ProductUpdate | The Product Update class defines a product
         consisting of update information and optional references to
         other products. | 
| class  | ProductVolumePDS3 | A Product Volume PDS3 product captures the PDS3
         volume information. | 
| class  | ProductVolumeSetPDS3 | A Product Volume Set PDS3 product captures the
         PDS3 volume set information. | 
| class  | ProductXMLSchema | The Product_XML_Schema  describes a resource
         used for the PDS4 implementation into XML. | 
| class  | ProductZipped | The Product_Zipped  is a product with references
         to other products. |