Which of Giotto’s accomplishments are highlighted in the image above?
a. his expertise of portraiture
b. his depth in a landscape, and his ability to model forms with color
c. his mosaic technique
d. all of the above

b. his depth in a landscape, and his ability to model forms with color

Explanation:

cad, or computer-aided design and drafting (cadd), is a software for design and technical documentation, which is an automated process as opposed to the manual drawing of plans. this gives a person an advance in making plans as an architect in a short period of time. one who can render plans through this software will gain a skill that is better than one who makes plans manually. this is a skill some companies look for in an employee.