Politics 101: Terms and phrases you’ll hear before, on and after midterm election day

Dive into this overview of midterm elections, runoffs, exit polling and more. Fox News Digital breaks down everything you need to know heading into Election Day.

Kyle Morris covers politics for Fox News. On Twitter: @RealKyleMorris.

The outcome of the midterm elections will determine what party controls each chamber, influencing legislation that is considered and Congress' willingness to work with the White House. The midterm elections are the often seen as referendum on a president's four-year term in office, particularly for new presidents.

In midterm years, all 435 seats within the House of Representatives are up for election, compared to about one-third of Senate seats. At the state level, 36 states hold elections for governor and other local officials in midterm elections.