Primary results: Biden, Trump projected to sweep state contests

The video discusses the projected winners of the Ohio primary elections. Former President Trump is the only remaining Republican candidate and is projected to win all 79 GOP delegates. On the Democratic side, President Biden is projected to win all 127 Democratic delegates. Both Trump and Biden have secured enough delegates to be their party's presumptive nominees, and they will be officially nominated at their respective conventions in July and August.

What is the significance of the delegates secured by both candidates?

What does it mean for a candidate to be a presumptive nominee?