DDL dictionary version 2.1.3
Category SUB_CATEGORY
Name:'sub_category'
Description:
The purpose of a subcategory is to define an association between
data items within a category and optionally to provide a method to
validate the collection of items. For example, the subcategory named
'cartesian' might be applied to the data items for the coordinates
x, y and z.
Category groups:ddl_group
sub_category_group
Category key:
_sub_category.id
Mandatory category: no
