Question

In his painting __________, the artist duccio pioneered the use of architecture to define space and direct movement.

Answer 1

In his painitng Christ Entering Jerusalem, the artist Duccio pioneered the use of architecture to define space and direct movement.
In art, Define space is a technique to left some part of the canvas unoccupied and direct movement is a technique that try to capture a moving subject/object into artform, and both of these techniques could be seen on the painting.