Negative space enclosed by letterforms is called counters.
Negative space is white space that letters such as O or D have (enclosed white space within the letter). Well, in typography, that white/negative space is called a counter, or aperture, or inner space, or enclosed space.
D. 3 beats in the measure because there’s two quarter notes (1 bt each) and two eighth notes (1/2 bt each); second measure has a half note (2 bts) and a quarter note (1 bt).
Answer:
below is the link please check.
Explanation:
https://www.instructables.com/Assembling-a-Quilt/