The elections in the United States of America center around individual politicians. Sure they belong to parties, but the candidates are the one’s on the ballot and are the one’s elected. Once elected they’re party loyalty is not as strong as their loyalty to their constituents. This contrasts to many elections in Europe, where parties are still very much the focus of voters.
There are elections on all political levels in the U.S. Not just the lawmakers and executives are elected but at local levels also district attorneys and school boards.
The election that gets the most attention in the U.S., though is the presidential election. That’s where will start here.
Further information about U.S. elections: