At the Guild of Students' Officer Elections, single transferable voting (or STV) is the primary voting system. It is Different from how you may have voted in local and general elections in this country. Single Transferable Voting is a system of preferential voting which is designed to minimise 'wasted' votes and provide proportional representation.
To avoid confusion about how the voting system work, I was asked to produce an explainer animation video going into in-depth details so that students understand how they should vote.