Codes are used to represent concepts not included in the architecture that might be desired for grouping, or reporting; and As a short-cut to a concrete noun, or as a code that currently existing in an existing system. Each code published using this noun belongs to a list, or a collection of codes, that are used in a specific context. The codes used to identify these lists is itself a code which belongs to the base list of codes which is the Code Type List. The lists are tied together through the ListID which points to the DocumentID of code that defines that list of codes. The codes that belong to the Code Type list will not have a ListID. When a code is designed as a shortcut to a concrete noun, this element is used to reference the concrete noun. The schemeName attribute must be set to the name of the noun. When defining concepts that don't exist inside the enterprise or pur codes, this element should be onmitted. The ListID is the DocumentID of the Code that is the Code Type for this list. The CodeValue is the actual code. This is the value that will be placed in the code element in documents that reference this code. The first value, using document order will be taken as the default value. The Name is the longer identifier of the code. This value can be printed on screens and reports. This is multilingual. The language of the code on another BOD does not influence the Name that is used. The Description is multilingual. This value should only be available as additional information. Indicates that this instance is ReadOnly, but if this instance is for a Dimension Type instance it is not inherited by the children.