This 3-day tour guide document summarizes a tour of San Francisco neighborhoods, with day 1 focusing on popular tourist areas like Fisherman's Wharf and Chinatown, day 2 immersing in neighborhoods like Hayes Valley and the Mission as a local would, and day 3 exploring lesser known areas such as the Tenderloin, Pacific Heights, and Bernal Heights. The document provides one-word descriptions of each neighborhood visited on the tour to characterize the overall vibe or feel.