0 a single vote using a system where, if your preferred candidate (=a person competing to be elected) does not get enough votes to stay in the election, your vote can be given to your second choice of candidate; the voting system itself:
In the single transferable vote, votes are cast in multi-member constituencies and an ordered preference for all the candidates can be expressed on the ballot paper.
The top two candidates will be elected by a single transferable vote system.
We propose the single transferable vote, by which electors cast their votes in multi-member constituencies based on natural communities.
In a proportional representation, single transferable vote by-election there is no first-past-the-post election but an absolute majority election after transfers if necessary.
Would it be held on the single transferable vote principle or on the first-past-the-post principle?
In each case, the election was by single transferable vote.
That is one way of operating the single transferable vote system.
That might be met by some agreement over the single transferable vote.