Answer:
c.  Imagery
Explanation:
a. is not the right answer. Proportion is the dimension of something and the way it related to other parts of the composition. It's the key to make the painting or sculpture seem faithful to the original dimensions. 
b. is the wrong answer. In art, balance is used to keep the equilibrium of the piece, and it's all elements.
<u>c. is the right answer. Imagery is what is created in order to construct images in the head that are the valid reproduction of something. Imagery can be made with words (poems, novels, stories, etc.), but also physical art. It tries to create a whole experience of the piece, person, or thing, sometimes through various senses.</u>
d. is not the right answer. Design is a plan and construction of the art piece.
 
 
 
        
             
        
        
        
Mixtures of pigment and clay --slip— they created (check the passage you read or wtv it should be sum like this) and for the derive question
        
             
        
        
        
Explanation:
The impact of digital technology has transformed human expressions as painting, drawing and sculpture, but also music and poetry; first by implementing new tools which can be very helpful for the artists and which can enhance the creative process towards innovative and unexplored paths
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