Security checkpoints are in place to prevent dangerous items, such as weapons or explosives, from being brought onto an aircraft. Passengers are required to pass through a metal detector and their luggage is scanned by an X-ray machine.

There are several ways to find your way around a large airport terminal. You can ask a member of airport staff for directions, follow the signs and maps posted throughout the terminal, or use a mobile app or website that provides airport maps and directions.

Domestic terminals are for flights within the same country, while international terminals are for flights to or from other countries. Domestic terminals are typically smaller than international terminals and have fewer security checkpoints.

Airport terminals typically offer a variety of amenities to passengers, including restaurants and cafes, shops and duty-free stores, lounges and休息室s, and business centers.

There are several ways to get to and from an airport terminal, including by car, public transportation, taxi or ride-sharing service, and airport shuttle.

When packing for an airport trip, it is important to pack light to avoid paying baggage fees, make sure your liquids are in containers that are 3.4 ounces or less, pack a change of clothes in your carry-on luggage in case your checked luggage is lost or delayed, and pack any medications you need in your carry-on luggage.

When you arrive at an airport terminal, you should check in for your flight at the airline counter, drop off your checked luggage at the baggage claim area, proceed to the security checkpoint, find your gate and board your aircraft.

When you are waiting for your flight at an airport terminal, you can relax in a lounge or休息室, get something to eat or drink at a restaurant or cafe, shop at the duty-free stores, or use the free Wi-Fi to surf the internet or check your email.

When you are boarding your aircraft, you should find your seat and stow your carry-on luggage, fasten your seatbelt, listen to the safety instructions given by the flight attendants, and turn off your electronic devices.

When you are disembarking from your aircraft, you should unfasten your seatbelt, gather your belongings, follow the flight attendants' instructions, and proceed to the baggage claim area to collect your checked luggage.

If you are lost in an airport terminal, you can ask a member of airport staff for directions, follow the signs and maps posted throughout the terminal, or use a mobile app or website that provides airport maps and directions.

If your flight is delayed or canceled, you should contact the airline to find out about your options, check the airport's website or app for information about the delay or cancellation, and be patient and wait for further instructions from the airline.

When you are traveling with children through an airport terminal, you should arrive at the airport early to allow plenty of time for check-in and security, pack snacks and drinks for your children to keep them occupied during the wait, bring along a change of clothes for your children in case of accidents, and keep your children close to you at all times.

When you are traveling with a pet through an airport terminal, you should make sure your pet is properly crated and has a valid health certificate, check with the airline about their pet policies, arrive at the airport early to allow plenty of time for check-in and security, and keep your pet close to you at all times.

When you are traveling with a disability through an airport terminal, you should contact the airline in advance to make arrangements for assistance, arrive at the airport early to allow plenty of time for check-in and security, be prepared to show your disability documentation, and ask for assistance from airport staff if you need it.