The term "first half" in sports refers to the initial 45 minutes of a match, particularly in games like soccer and basketball. During this period, teams strive to score points and establish a competitive edge. The first half is followed by a halftime break, allowing both teams to regroup, assess performance, and adjust strategies. Understanding the dynamics of the first half is crucial for teams, as it sets the tone for the rest of the game and can be critical for securing a win.