What occurs at the convention regarding the presidential nominee?

At the convention, the primary function concerning the presidential nominee involves the ratification of choices made during the primaries and caucuses. This process solidifies which candidate has garnered enough support from party members and delegates to become the official nominee for the presidency. The convention serves as a unifying event where party members come together to endorse the nominee, celebrate their accomplishments, and rally support for the upcoming election.

During this event, delegates who have pledged their support based on the outcomes of the primaries and caucuses formally cast their votes. The candidate who receives the majority of these votes becomes the official nominee. This ratification is crucial, as it marks the culmination of the primary season and paves the way for the party's campaign strategy moving forward.

In contrast, while conventions may also include discussions on vice presidential candidates, changes to the party platform, and even light campaigning, the primary focus and the key function is to officially endorse the nominee chosen through the earlier primary and caucus processes.