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sign
device that provides a visual signal by virtue of its situation, shape, colour, or pattern, and sometimes by the use of symbols or alphanumeric characters
Note 1 to entry: A sign can be internally illuminated.
Note 2 to entry: This entry was numbered 845-11-03 in IEC 60050-845:1987.
Note 3 to entry: This entry was numbered 17-1179 in CIE S 017:2011.