Question

the lightness or darkness of a color or object is called
value
texture
line
space

Explanation:

In art, the lightness or darkness of a color or object is defined as "Value". Texture refers to the surface quality, Line is a mark with length, and Space relates to the area around/within objects. So the correct option is Value.

Answer:

A. Value (assuming the first option is labeled as A, with the text "Value")