This element is a globally unique identifier to be used for equality comparison to determine if an installed map product is an older/equal/newer version of a to-be-installed map product. If two instances have an equal InstallationID element then this element can be compared to determine if this instance is older/equal/newer. Larger values are newer. This element is not present for legacy products. The path to files of this sub family. This path is relative to the path given in the Directory element. This normally means the core map files like IDX, MDR, TRF and TYP, as well as possible additional files like LaneAssist, MD2, 3dMaps, TimeZoneMaps or SID. The path to the base map directory of this sub product. This path is relative to the path given in the Directory element. Processors should be tolerant of the presence or lack of a trailing directory separator in this path. The path to the directory containing detailed map directories and other files for this sub product. This path is relative to the location of an instance document of this schema. Processors should be tolerant of the presence or lack of a trailing directory separator in this path. The path to files of this sub product. This path is relative to the path given in the Directory element. This normally means at least a TDB file (required), and can contain a NoticeUtf8 file, StartupLogo(s), AboutLogo(s) etc. The path to a directory containing logo files to be displayed on maps for this sub product. The names of the map logos are provided in the TDB file. This path is relative to the path given in the Directory element. This type provides the ability to extend any data type that includes it.