1) The document provides details about using the Netflix film "Lion: A Long Way From Home" as the basis for an English lesson for teens and adults.
2) It outlines pre-watching, watching, and post-watching tasks focused on acquiring film terminology, feelings vocabulary, and use of the structure "used to" to describe past habits.
3) Key tasks involve describing scenes and characters from a film clip, analyzing film techniques, and writing a diary entry from the perspective of the main character Saroo who gets separated from his family.