to inform the authorities about something secret or the breach of legalities, particularly because one is morally obliged to do so
to hear something that was passed from one person to another, like a rumor or gossip
fully informed about or actively participating in something, such as a discussion or a process
to provide someone with sufficient and relevant information regarding someone or something
to provide someone with information they require to handle or understand a situation
a warning or notification provided in advance to inform someone about a situation, often to prepare them for what is coming

事前通知(じぜんつうち), 警告(けいこく)

used to indicate that someone believes others are talking about them even when they are absent
a situation where a message gets passed from one person to another, but it often gets changed along the way

聞き違いの恋(ききちがいのこい), デマの伝聞(でまのでんぶん)

a collection of documents that provide written or recorded version of someone's activities

書類の足跡, 文書の記録

