The term "first five-eighth" refers to a key position in the sport of rugby. This player typically wears the number 10 jersey and is responsible for directing the team's attack. They often act as a playmaker, making crucial decisions on the field and setting up scoring opportunities for teammates. In addition to their strategic role, the first five-eighth must possess strong kicking skills, as they often take penalty shots and conversions. This position requires a combination of tactical awareness, passing ability, and leadership, making it vital for a team's overall performance in both rugby union and rugby league.