What is the name of the primary symbol, which is now outlawed outside of the context of art or science, and was widely used even on the state flag?
Nazi symbolism The 20th century German Nazi Party made extensive use of graphic symbolism, especially the "Hakenkreuz" (swastika), which was used as its principal symbol and, in the form of the swastika flag, became the state flag of Nazi Germany.
Coat of arms of Algiers The coat of arms of Algiers, the capital of Algeria, was created after the country's independence, it shows a fortress, which symbolizes the Casbah, and a boat which symbolize the Algerian fleet, vital to the country's economy in older times, as well as two lions, which can be seen in "Bab Azzoun", one of the gates of the city. The crescent symbolizes Islam, the state religion, the feather to symbolize scientific and cultural development. The sheaf of corn (the main crop of the country) symbolizes agriculture, while the wheel symbolizes industry (Algiers is the largest industrial center of the country).