Metaphors and Symbols in design are a simplistic way to communicate in a “universal” language. When using symbolism, it is not always necessary to use words. For instance, with street signs, one is not required to know how to READ words on the signs, but rather to know what the shapes, colors, and symbols or icons mean. Same applies the other public informational or directional signage, like the photo of the old Fallout Shelter sign I found bolted to the side of a building in historic downtown Fredericksburg, Va.
I have no idea how long that sign has been there, except it looks like it’s aged awhile! I find it interesting that the capacity is cited as 210! Fallout Shelters are designed to protect inhabitants from radioactive debris from a nuclear event. Thus, the sign incorporates the radiation symbol large and bold to identify its location. Maybe that should be my destination during the Zombie Apocalypse!