cross section

noun
1
what you see when you cut through the middle of something so that you can see the different layers it is made of; a drawing of this view
برش عرضی, نمای مقطعی, برش مقطع
2
a group of people or things that are typical of a larger group
نمونهٔ نماینده, نمونه گزیده
a representative cross section of society
a wide cross section of the population
a broad cross section of opinion