Minimum value
The minimal value/number field can contain.
Maximum value
The maximum value/number field can contain.
Step
The step to increase/decrease the value by in the field.
Prefix
The prefix to be shown before the number
Suffix
The prefix to be shown before the number
Allowed Content
Restricts the field to certain data types. Changing this also changes the column type in database. This setting is only for Value Slider, because Range Slider has two values and is stored as string.