This document discusses common English greetings and responses to inquiries about how someone is doing. It explains that "How do you do?" is a very formal greeting for meeting someone for the first time. Phrases like "Nice to meet you" and "Pleased to meet you" are also used in this context. "How are you?" is an informal way to greet someone that does not necessarily require a response about one's condition. Common responses to "How are you?" include "Fine, thanks" or indications that one is doing "Pretty good" or "Could be better."