Influence or effect — the action or result one thing has on another, which can be positive, negative, direct, or indirect.
雨の影響で試合は中止になった。
The match was canceled because of the rain's impact.
親の言動は子どもの性格に大きな影響を与える。
Parents' behavior has a large influence on a child's personality.
新しい政策が経済にどのような影響を及ぼすか注目されている。
Attention is on what kind of effect the new policy will have on the economy.