Training materials for teachers of learners with severe, profound and complex learning difficulties

In building a relationship with a family, can you define what a home school diary is for?

1. A comprehensive breakdown of learning objectives and how the child is progessing
2. A set of instructions from the school on what the child should continue to learn at home
3. A notebook where educators and family can communicate by recording positives and negatives about what happened at school and home
4. An online or physical calendar where key school, family and child appointments are recorded so everyone knows when key commitments are occurring
5. I'm not sure