通告 (tōng gào): to announce; to give notice; announcement

The company posted a notice at the front desk, telling everyone that all employees should go to the meeting room for a meeting at 9 a.m. next Monday.

The school announced to all teachers and students via the campus radio that classes would be canceled for one day tomorrow due to snowy weather.

The city government issued a notice reminding citizens that starting next month, subway line 3 will extend its operating hours until 11 p.m.

The library announced at the entrance to readers that due to a system upgrade, books cannot be borrowed or returned all day this Saturday.