1. A public statement which gives information about something that has happened or that will happen; or the act of telling people about such. English = announcement, proclamation.
2. A public announcement about something important, particularly from the government. Formal English = proclamation.
3. Official information about something or some event. English = notification.
4. A written, spoken or signed account of an event or a situation, especially one that has been prepared and made public in an official capacity or as part of your work. English = report.