Dotanddash

Dotanddash is a term most often used to refer to the two basic signal types in Morse code: the dot, a short signal, and the dash, a longer signal. In Morse code, letters, numbers, and punctuation are encoded as sequences of dots and dashes, with timing critical to decoding: a dot lasts one time unit, a dash lasts three, the gap between symbols within a character is one unit, between characters is three, and between words is seven.

Developed in the 1830s by Samuel Morse and Alfred Vail for electrical telegraphy, Morse code enabled long-distance communication over telegraph lines. It achieved widespread use in the 19th and early 20th centuries and remained a standard in maritime and military communications for decades.

Today Morse code is largely supplanted by voice and digital modes, but it retains niche use among amateur radio operators and for emergency signaling due to its simplicity and ability to be transmitted in poor conditions. Learning the code remains a common entry point for students of radio communication.

Outside of its technical meaning, the phrase dot and dash is sometimes used in popular culture or branding to evoke signaling, timing, or minimalism. Some products or projects adopt the combined word dotanddash as a brand name or domain, though it has no single universally recognized meaning beyond the components dot and dash.