despite the other entry, a pie chart is a circular graph generally used to map percents. The pie represents 1 or everything and the slithers represent portions or percents.
Do you have the pie chart indicating the percent of sales sold in New York?
when a man/woman makes a list of all the girls he's had sex with
man1:how many girls have you been with?
man2:i don't know.let me consult my pie chart.