A record layout for data in proprietary system files. Software used by this record layout. Provides minimum information on data item address system, such as variable ID or Name, etc. Declares the most common data type used for numeric data. Declares the most common data type used for textual data. Declares the most common data type used for date-time data. Indicates that coded data should be treated as numeric, and defines the numeric type Indicates that coded data should be treated as text, and defines the text type References the VariableScheme of the variables in the record. Can be overridden at the level of the DataItem. Contains information proprietary to the software package which produced the data file. This is expressed as a set of name-value pairs. Describes a data item in the record. Provides minimum information on data item address system, such as variable ID or Name, etc. Description of the data item address A single point of data within the file, which may carry an over-ride of the specified default datatype. Reference to the variable description in the Logical Product Allows an override of the default data type, using the language of the proprietary software. A controlled vocabulary is recommended. Indicates the proprietary output format. Contains proprietary information specific to the data item. This is expressed as a set of name-value pairs. Provides minimum information on data item address system such as uses variable ID or Name etc. Declares the most common data type used for numeric data. Declares the most common data type used for textual data. Declares the most common data type used for date-time data. Indicates that coded data should be treated as numeric, and defines the numeric type Indicates that coded data should be treated as text, and defines the text type Reference to the variable description in the Logical Product Allows an override of the default data type, using the language of the proprietary software. A controlled vocabulary is recommended. Indicates the proprietary output format. A single point of data within the file, which may carry an over-ride of the specified default datatype.