I saw on Wikipedia when I was looking at the 2024 Republican Party primaries that it looks like one of the rules is to have an outright majority. What happens if no candidate wins a majority of delegates in the primary? Does it go to the plurality, or is there another round of voting?

I saw on Wikipedia when I was looking at the 2024 Republican Party primaries that one of the rules is to receive an outright majority of the votes cast by delegates at the national convention. 

What happens if no candidate wins a majority of delegates? Does it go to the candidate who receives a plurality, or is there another round of voting?