To create a query that includes a customer and the products that the customer has purchased would require you to create a(n) ________

Could the gossip architecture be used for a distributed computer game as described in Exercise 18.3?

What will be an ideal response?

Rather than trying to create a complex stacking order of layers or adjusting an instance's Alpha setting to control what appears on the stage at any given moment, use ____________________ to control visibility.

Fill in the blank(s) with the appropriate word(s).