How Can I Communicate What's Happened in an Email?

I can't stand long emails and I don't think other people really have time to read long emails either. My challenge to myself is always, how can I communicate what's happened in an email in the fewest words possible. What about the part where this person asks like, should I send them holiday cards? Like, what do you feel about that sort of intimacy with a client? No way. Some clients have sent me cards and chocolates and stuff during the holidays but they're so often transactional right it's just like we acknowledge holidays. Yeah, there are different ways to show that you're valued. And then the last thing I'd say is that for the person who