Gate
A gate is a place between two parts of a wall, or a fence which could be opened and closed to let people go through it.
In the Middle Ages, a city gate also allowed people to go into a (walled) city.
Nowadays, people also talk about gates at airports. When going on an aircraft, people need to get together in a certain area of the airport first. They then pass through some kind of doorway to get onto the plane. That is what is called gate.
Ishtar Gate is the oldest city gate in existence.
Gates to official residences often feature elaborate ironwork.
Gate Media
Gate from Bucharest (Romania)
Art Nouveau gate of Castel Béranger (Paris)
Candi bentar, a typical Indonesian gate that is often found on the islands of Java and Bali
Japanese Torii at Itsukushima Shrine, a UNESCO World Heritage Site in Japan, where the Hindu goddess Saraswati is worshipped as the Buddhist-Shinto goddess Benzaiten
This gate and massive gateposts has no locks—a gate marks a borderline in ownership/use and can allow passage.
Wringin Lawang, a 14th-century Majapahit split gate, called "Candi bentar", in Trowulan, Java, Indonesia