A system by which users can individually vote on items. Often used to determine a consensus on the quality or correctness of an item.
Voting is a method for a group such as a meeting or an electorate to make a decision or express an opinion—often following discussions, debates, or election campaigns. Democracies elect holders of high office by voting. ( http://en.wikipedia.org/wiki/Voting , retrieved 2013-01-17)
Voting or polls can help inquire users' opinions. Annonymous voting in particular is a good method to get unstrained opinions on a question.
Questions with this tag deal with the process of voting, how to conduct votes and how to interpret results gained from voting.