Lag — the delay between user input and the system's response, especially in online gaming; often caused by network latency or processing delays.
試合中にラグが発生してスキルが間に合わなかった。
Lag occurred during the match and my skill didn't activate in time.
回線を変えたらラグが減ってプレイしやすくなった。
After changing the connection, the lag decreased and it became easier to play.
ラグの原因を調べるために速度測定をした。
I measured the connection speed to investigate the cause of the lag.