This package contains information about the distributor of, and options for obtaining, a resource. The optional {@linkplain org.opengis.metadata.distribution.Distribution distribution} entity is an aggregate of the options for the digital distribution of a dataset ({@linkplain org.opengis.metadata.distribution.DigitalTransferOptions digital transfer options}), identification of the {@linkplain org.opengis.metadata.distribution.Distributor distributor} and the {@linkplain org.opengis.metadata.distribution.Format format} of the distribution, which contain mandatory and optional elements. {@linkplain org.opengis.metadata.distribution.DigitalTransferOptions Digital transfer options} contains the {@linkplain org.opengis.metadata.distribution.Medium medium} used for the distribution of a dataset. {@linkplain org.opengis.metadata.distribution.Distributor} is an aggregate of the process for ordering a distribution ({@linkplain org.opengis.metadata.distribution.StandardOrderProcess standard order process}). The {@linkplain org.opengis.metadata.distribution.Distribution#getDistributionFormats distribution format} of {@linkplain org.opengis.metadata.distribution.Distribution distribution} is mandatory if the {@linkplain org.opengis.metadata.distribution.Distributor#getDistributorFormats distribution format} of {@linkplain org.opengis.metadata.distribution.Distributor distributor} is not set.