2. Gun: the radical "warehouse" is simplified to "warehouse". Save strokes and simplify them according to ancient calligraphy.
3. Original meaning: spear used for stabbing. Such as: pike, javelin, red tassel gun.
4. Rubbing: Rubbing refers to bamboo and wood chips with sharp ends, which are used to weave fences.
5. extended meaning: extended meaning refers to "a weapon that fires bullets." Such as pistols, rifles, machine guns, shooting, bullets.
6. extended meaning: extended meaning refers to "something like a gun." Such as: welding torch, bong.
7. Yi Yan: Also used as a surname.