A disclosure.
"The company was forced to disclose its financial losses after investors demanded transparency."
make known to the public information that was previously known only to a few people or that was meant to be kept a secret
"The auction house would not disclose the price at which the van Gogh had sold"
"The actress won't reveal how old she is"
"bring out the truth"
"he broke the news to her"
"unwrap the evidence in the murder case"
"The newspaper uncovered the President's illegal dealings"
To open up, unfasten.
"The thief managed to disclose the lock on the safe before stealing the money inside."
The word "disclose" entered English via Middle French and Old French, originally meaning to open or unclose something. It is built from the Latin prefix dis- (meaning "apart") combined with claudere ("to shut"), creating a literal sense of opening up what was previously closed.