There is no best voting method. You can always find a specific situation where a given voting method produces the wrong result. However, whereas in general there is no perfect.
The Condorcet method is the most sophisticated voting method. Here, we will just give an informal description and a few examples. Condorcet method is a pairwise election method where each.
This is the voting method everybody is familiar with: the voter just selects the option he/she likes the most. The final result is computed according to the number of votes.
Approval Voting is the simplest multiple preference voting method. The voter just lists the options he/she likes in any order. At the end, the number of preferences for each candidate.
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Condorcet Voting is probably the soundest ordinal method available today and it is favoured by many academics. Nevertheless it has its own shortcomings users should be aware of. The Condorcet.