The RowSource property of a Combo Box control allows the user to:

control where the output of selected item should go

define the list of items, from a range of cells, to appear in a drop-down list

have only one item in the drop-down list

restrict which row of cells can be the source of input items for the drop-down list

Answer:
define the list of items, from a range of cells, to appear in a drop-down list

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