When viewing a work of art what does one look for?

Look at las meninas by diego velasquez. this painting is a masterful example of the use of:

Make the correct match. 1. only the collection of the louvre is on display. 2. in addition to being a museum, the louvre has also been a 3. the present palace was built to display 4. after the french revolution, it became a 5. in 1989 i.m. pei designed for a new entrance. 6. pei's design actually has 7. the new entrance was required to handle the growing number of half the royal art collections public museum 673 panels the glass pyramid prison visitors

Nprintmaking, what term is used for the object on which the artist creates a design