1. The Intelligentsia, those who had intelligence and were to criticize the way things were, so that life for all could be improved.
2. The Military, those who defended communism from those who would seek to destroy it.
3. The Youth, those who were to grow up communists, and to lead the next era of communism.
4. The Proletariat, those who labored in factories and such to allow society to run.
5. The Peasantry, those who worked on agriculture and so allowed society to feast.
Leon Trotsky copied the symbol after he noticed a green star on the lapel of Nikolai Krylenko, who was an Esperantist. Admiring its internationalist symbolism, Trotsky made a red star the symbol of the Red Army. Red is the color of communism because all human beings - men, women, black, white, rich, poor - have red blood. It also symbolizes the blood shed in the ancient struggle to liberate all oppressed peasants and workers.
2) A cheap 112-proof Chinese rum distilled from sorghum, popular among Beijing workers. It is available in the US for about $10 a bottle at your local Chinese supermarket. Beware, it has high levels of ethanol (paint thinner).
2) Damn, that red star burns.