BB: Only breakfast is included, including only the daily breakfast during your stay; Coffee and juice for breakfast are free, and lunch and dinner need to be booked by yourself after you go to the island.
HB: it means half meals, including daily breakfast and dinner during your stay, and lunch needs to be booked by yourself after you go to the island.
FB: it means all meals, that is, three meals in the morning, noon and evening, including all meals during your stay.
AI: it means including breakfast, lunch, dinner, drinks and drinks (but excluding high-grade wines such as whisky and martini).