Final answer:
The selection criteria in different rows of the query design grid indicate an OR operator, which broadens the search results by allowing any of the specified terms to be present in the returned records.
Step-by-step explanation:
Selection criteria placed in different rows in the query design grid represent an OR operator. The use of OR in a database context helps to connect two or more similar concepts and broaden your search results. When you place criteria in different rows, the query is telling the search engine that it can return results containing any of the specified terms, as opposed to all of them which would be indicated by the AND operator. If you want to find records that match multiple criteria in different rows, then you would use the OR operator to ensure that each row's criteria are evaluated separately, increasing the breadth of your results. This contrasts with placing criteria on the same row, which would