•Decimal:

Parameter that is a number with a specific number of decimals

•Integer:

Parameter that is a number with no decimals

•List:

Parameter that can be one of the values specified in the 'Alternatives' field

•Link:

Parameter that is a hyperlink

•Memo:

Parameter that is a text

•Combo:

Parameter that is a predefined value listed in 'Alternatives' field or a value defined by the user

•Composite:

Parameter that is calculated based on other parameters, or refer to weight or center of gravity of a weight group. The formula is defined in the Expression field. A parameter for length (lm) divided by breadth (bm) will have a expression like lm@bm@/ (reverse polish notation). A parameter that represents lightship (LW) weight (W) will be LW|W and lightship longitudinal center of gravity (L) will be LW|L.