How to set up Google Classroom assignments to avoid confusion for students and parents?

Google Classroom isn't just about dumping assignments online. In K-12 classes, the most common source of chaos is when students see one set of instructions, parents see another notification, and the teacher adds a follow-up in an email. In the end, no one knows exactly what to submit, when it's due, or how late submissions are handled. When I set up assignments now, I write the titles like tasks…