types:
grabación
a signal that encodes something (e.g., picture or sound) that has been recorded
alarma
an automatic signal (usually a sound) warning of danger
fajina,
toque
a signal broadcast by the sound of a bugle
símbolo
an arbitrary sign (written or printed) that has acquired a conventional significance
cromatograma
the recording (column or paper strip) on which the constituents of a mixture are adsorbed in chromatography
señal
an individual instance of a type of symbol
tipo
all of the tokens of the same symbol
SOS,
señal de socorro
an internationally recognized distress signal via radiotelephone (from the French m'aider)
grifería
(military) signal to turn the lights out
punto
the shorter of the two telegraphic signals used in Morse code
simbolismo
a system of symbols and symbolic representations
dolar
a symbol of commercialism or greed
monograma
a graphic symbol consisting of 2 or more letters combined (usually your initials); printed on stationery or embroidered on clothing
sello
a symbol that is the result of printing or engraving
gálibo
a cautionary sign of danger
llamarada
a burst of light used to communicate or illuminate
banderín
a rectangular piece of fabric used as a signalling device
corona
the Crown (or the reigning monarch) as the symbol of the power and authority of a monarchy
manga
a truncated cloth cone mounted on a mast; used (e.g., at airports) to show the direction of the wind
intermitente
a blinking light on a motor vehicle that indicates the direction in which the vehicle is about to turn
brazal
worn around arm as identification or to indicate mourning
cohete
propels bright light high in the sky, or used to propel a lifesaving line or harpoon
sirena
a warning signal that is a loud wailing sound
vara
a rod carried as a symbol
variable
a symbol (like x or y) that is used in mathematical or logical expressions to represent a variable quantity