Color
Color: one colour value with its code and name.
Color Group
Color Group: a named list of colour values.
Size
Size: one size value with its code and name.
Size Group
Size Group: a named list of size values.
Style
Style: one style value with its code and name.
Style Group
Style Group: a named list of style values.
Weight
Weight: one weight value with its code and name.
Weight Group
Weight Group: a named list of weight values.
Variant
Variant: one variant dimension and the values it can take.
Variant Group
Variant Group: the set of variant dimensions one kind of item varies by.
Item Attribute
Item Attribute: one descriptive attribute an item can carry, and the values it may take.
Item Attributes Group
Item Attributes Group: a set of item attributes that an item group asks for.
Item Batch Attribute
Item Batch Attribute: one attribute a batch can carry, and its allowed values.
Item Batch Attribute Group
Item Batch Attribute Group: a set of batch attributes.