Midterm Elections: Midterm elections are national elections held halfway through a president's four-year term. During midterm years, voters elect members for Congress (House Representatives and some Senators) along with state and local officials.
Incumbent: Incumbent refers to the current holder (officeholder) of an elected position who seeks re-election during their term.
Primary Elections: Primary elections are preliminary elections held by political parties to select their candidates for a general election. These usually occur before a presidential or congressional election.