Long description

Part (a): A block has two columns and four rows. The row entries are as follows: Row 1: Column 1, games; Column 2, attributes. Row 2: Column 1, mail; Column 2, attributes. Row 3: Column 1, news; Column 2, attributes. Row 4: Column 1, work; Column 2, attributes. Part (b): A block has two columns and four rows. The second column of every row is empty. The first column entries are as follows: Row 1, games; Row 2, mail; Row 3, news; Row 4, work. An arrow from each of the four rows of the second column point to four blocks labeled Data structure containing the attributes.