The act of witnessing or observing an event with one's own eyes; often used in the phrase 'to witness (〜を目撃する)'.
彼女は事故の瞬間を目撃したと証言した。
She testified that she witnessed the moment of the accident.
目撃情報は捜査の重要な手がかりになる。
Witness reports become important clues for the investigation.
映像に犯行の目撃シーンが映っていた。
The footage showed a scene of the crime being witnessed.