| general symbols(expression, chart, cartography, mapmaking, technology) |
| global symbol(expression, technology, machine, automation, arranging) |
| identifying symbol(expression, communication, information, connection, advertising) |
| illegal symbol(expression, technology, machine, engineering, automation) |
| input symbol(technology, expression, arranging, programming) |
| logic symbol(expression, technology, information, base, engineering) |
| match-all symbol(expression, machine, technology, electronics, automation) |
| neutral symbol(expression, technology, communication, information, engineering) |
| odd symbol(expression, machine, electronics, computers) |
| odd symbols(technology, expression, engineering, arranging) |
| pictorial symbol(expression, technology, engineering, arranging, automation) |
| pipe symbol(expression, machine, electronics, computers, technology) |
| primitive symbol(expression, technology, machine, engineering, automation) |
| radar position symbol(expression, aviation, aeronautics, airmanship, technology) |
| safety alert symbol(technology, expression, engineering, arranging) |
| schematics symbol(technology, expression, arranging, programming) |
| symbol-manipulating machine(expression, technology, machine, automation, arranging) |
| symbol generator(technology, expression, engineering, arranging) |
| symbol library(expression, technology, machine, engineering, automation) |
| symbol rate(expression, connection, communications, telecommunications, technology) |