A hit occurs when a batter strikes the baseball into fair territory and reaches base without doing so via an error or a fielder's choice.
[1] There are four types of hits in baseball: singles, doubles, triples, and home runs.
[1] Hits allowed is a cumulative statistic, simply tallying the total number of hits a pitcher gives up over the course of a game, season, or career.
Hits allowed is a fundamental measure of a pitcher's effectiveness, as allowing fewer hits generally correlates with preventing runs.
[2] While hits allowed is important, it should be considered alongside other statistics like strikeouts, walks, and innings pitched for a more comprehensive evaluation of a pitcher's performance.