You can add extra 'drop down list' fields to the items in the database. Drop down lists are also referred to as combo boxes. Each drop down list is a byte type field, and can have one of a configurable list of values. For example, you can add a drop down list field to categorize points according to the type of plant.
The extra list fields in the database are displayed as combo boxes on the Forms for the relevant items.
Combo Box is added to Point tab