Census: A count and survey conducted by the government to gather demographic data about the population. It is used for purposes such as apportioning seats in Congress.
Gerrymandering: Manipulating voting district boundaries for political advantage by drawing them in a way that benefits one party over another.
Representation: The act of speaking or acting on behalf of others. In this context, it refers to the allocation of seats in Congress based on population size through apportionment.