Chatting

To be engaged in informal conversation.

"I like to chat over a coffee with a friend."

To talk more than a few words.

"I met my old friend in the street, so we chatted for a while."

To talk of; to discuss.

"They chatted politics for a while."

To exchange text or voice messages in real time through a computer network, as if having a face-to-face conversation.

"Do you want to chat online later?"

Talk; chatter.