If the permitted contents of a data category are picklist values, they will be placed here in <value> tags. Any other data category must select from one of the 4 permitted text datatypes as described in Section 9.5 of ISO 30042. The values permitted here are found in ISO 30042. string basicText noteText picklist : This element contains the collection of permitted data categories in the module. This element is used to provide all necessary information to describe a single data category. This is the name of the data category This is the URI pointing to the source of the data category. For standard data categories found on www.datcatinfo.net, this is the PID. A description of the module being described Container for header information. conceptEntry langSec termSec The levels in which the data category may occur. The root element of an MDF file. This is the name of the module This is the namespace of the module (for use in DCT style TBX files) bibl binaryData conceptSysDescrip element entry external respPerson term thesaurusDescrip This element is used to provide a more descriptive name for a module, in contrast to the simple name given in the @module attribute of <mdf>> A <value> element contains a specific allowed instance of text for a given data category. For example, if the data category is /partOfSpeech/, one of the <value> elements in the <contents> section would be: <value>noun</value>