Concept:A pie diagram is a circular chart where slices represent parts of a whole.Explanation:Each slice is proportional to the fraction it represents. It shows how each category contributes to the total. For example, a pie chart of India's population by zone shows each zone's share of the total population. Thus, pie diagrams compare parts to the whole, not different amounts or patterns.
Answer:C. Showing a particular amount in relation to the whole
