Fields where you can select among several options are called options. Here
you select one of the listed options.
There are two types of options available:
1. Radio Buttons
Here all available options are listed to make work easier. See for example
how delivery method can be set up in the Subjects register (suppliers):
Radio buttons are an element where you can only select one listed option.
Left-click the text next to the radio button or the radio button itself to select
an option. Change selection by using cursor keys.
Options can be changed in cycles. That is, having selected the last option
and pressing
the
selection will change to the first option.
2. Lookup Table
It can be found wherever it is more suitable to display options. Such as
for example selecting purchase type in orders and invoices received. Because
you have already set purchase type in the Subjects register (suppliers), you
are not required to change it in the document:

Select an option from the dropdown. Open lookup table by clicking
.
Left-click to select an option.
Or, enter initial letter (or initial few letters) in the selection window:

(For detailed treatment see Lookup Table).