They might be having a chat and sharing some jokes.
Perhaps they are discussing a plan or playing a game. Maybe they're just enjoying each other's company and having a casual conversation.
Maybe she's writing a letter or having a snack. There are several possibilities depending on the context of the cartoon.
Maybe they are just having a rest and chatting.
They might be discussing the plot or characters of the cartoon.
The kid could be doing various things like reading a book, making a craft, or just daydreaming while sitting at the table. It's hard to say for sure without more details.
They might be having a meal or playing a game.
The cartoon kid might be drawing or having a snack.
Maybe he's having a meal or doing some homework.
He might be having a meal or working on something.
They might be dancing, chatting, and having a great time.
The ladies are eating in the black and white cartoon.