if you mean singing voices:Female (in highest to lowest) - Soprano, Mezzo-soprano, Alto, ContraltoMale (in highest to lowest)- Countertenor, Tenor, Baratone, BassThese are adult voice types so if...
The "different sections" are governed by price as much as anything. As a result, the cheapest seats (which weren't seats at all, but standing room) went to the poorest people, the more expensive...