signal is designated by an overline, e.g. , representing logical negation.

Graphics Design

Overlining is also used in graphics design for decoration of text to help convey a message.

Morse (CW)

Some Morse code prosigns can be expressed as two or three characters run together, and an overline is often used to signify this. The most famous is the distress signal, .

Writing

An overline-like symbol is traditionally

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