What are Sila Vata (religious or monastic precepts)? How are they different from the 5 precepts?

I heard Luang Phaw talk about Sila Vata (religious or monastic precepts). What are they? How are they different from the 5 precepts?

Lord Buddha’s teachings contain a total of 84,000 topics. As a school teacher, which parts of the teachings I should lecture to the school students at the primary and secondary levels?

We have always known that the Lord Buddha’s teachings contain a total of 84,000 topics. For me as a school teacher, I would like to ask which parts of the Teachings I should lecture to the school students at the primary and secondary levels.