MS ACCESS how to accesses a Query instead of a Table

Question

how can l do that "Create a Form and save as “Sales by Branch and Category” which accept two parameters,Restaurant and Category, and display results showing Branch, Category, Description, Date,Quantity, Price and Total Sales as defined by the query “Sales by Branch and Category”. That is to create a Form that accesses a Query instead of a Table."

I don't understand above topic. Could you mind to give me some hits for it?