The value of the Type field defines which one is the base (reference) unit in the category. Each category required at least one unit having the Reference Unit of Measure for this category type. There are three possible values for Type, as listed here:
- Reference Unit of Measure for this category
- Smaller than the reference Unit of Measure
- Bigger than the reference Unit of Measure
For the Unit category the base unit of measure is Unit(s) as the Type is Reference Unit of Measure for this category shown in the following screen:
The Category field is used to categorize the different units of measures by category such as Unit, Weight, Time, Volume, the conversion can be done between the units of measure of the same category, that is, Unit(s), Pack of 1000, Pack of 6, Pack of 12, and so on.
