This is the 496th most frequent Russian word.
сообщения
Messages.
Here, 'сообщения' refers to electronic or text messages received through a communication medium.
Я прочитал все сообщения, которые пришли утром.
I read all the messages that arrived in the morning.
In this sentence, 'сообщение' (singular form) denotes a single dispatch or correspondence to another person.
Он отправил сообщение другу с просьбой о помощи.
He sent a message to a friend asking for help.
Here, 'сообщения' represents statements or pieces of information conveyed through news outlets.