The phase of a video game where it is only being discussed is Concept phase. It can't be beta phase because beta is where specific players are esting the game, it's not production phase because that's when the game is being made and if the game is only being discussed no production has taken place, and the gold phase refer to approval for gold master copy of a game, gold phase is basically the final phase when it is as good as gold. So your answer is *D. the concept phase.*
1= form and light
2=depth
refer to these websites for more info on both illusions
1- thevirtualinstructor.com/hatchingcrosshatching.html
2- www.udel.edu/artfoundations/beg_paintingtechniques.html
The two Donatello's characteristic formal contributions are encountered in the work for Baptistery of Siena. He demonstated it through organizing the relief by a rigorous application of the rules of perspective. Even though it was created at a shallow deptht, this technique makes each figure of a scene emerge clearly and very logically. This technique is determined as a flattened relief.
To judge whether or not you are a motivated person who aims to push yourself to your fullest potential.