[rgacote]

And some positions allow you to vote for "up to" some number of candidates. Town selectman is a typical example.

[klyrs]

Excellent point, I've never seen that. The whole structure of election has a lot of variation from place to place, which is a major stumbling block for people who want simple, universal technological solutions.

And I forgot write-ins! You don't even have a fixed set of candidates in a given election!