If you have questions about the election process itself, please ask your question on the Ask Ubuntu Meta Site. Remember, folks stepping up to lead this community are committing a significant amount of their time, please keep all discourse civil and constructive.
Note, however, that "deserving" is not the question. You should vote for the people you think would make the best mods. Those aren't necessarily the ones with the best candidate score or reputation.
The single transferable vote (STV) is a voting system designed to achieve proportional representation through ranked voting in multi-seat constituencies (voting districts). Under STV, an elector (voter) has a single vote that is initially allocated to their most preferred candidate and, as the count proceeds and candidates are either elected or eliminated, is transferred to other candidates according to the voter's stated preferences, in proportion to any surplus or discarded votes. The exact method of reapportioning votes can vary (see Counting methods).
The system provides approximately p...
If there's someone you feel would make a good mod, upvote them. If you don't really care one way or the other, don't vote. But if you think they would be a bad mod, downvote them.
At some point all your knowledge may be exausted ))) I wrote answers for a couple of years at forums.ubuntu.ru, when accidentally found AU. At a first glance it looked wierd for me and I did not use it. At some point I got how it works about a yer ago. Now I love SE and AU.