1) Many people living in slums lack basic sanitation facilities like toilets and access to clean water. During lessons, the document discusses how people in developed countries take these utilities for granted.
2) The document includes a table matching sanitation related words with their definitions to test knowledge from a previous class. These include terms like tap, sewage, latrine, and feces.
3) The document references a scene in Slumdog Millionaire taking place in a latrine and asks how it reveals aspects of the brothers' personalities.