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Concept and Meaning of SpreadSpread, from the latin propagatĭo, is the action and the effect of spread. This verb means to ensure something succeeds in different sites from those where it occurs; extend or delay something; extend or multiply by generation or other means of reproduction.
Examples: 'we must think about how we can achieve the spread of heat to avoid the cold', "the spread of the epidemic is out of control", "the Government is concerned because of the spread of cases of insecurity".
As a physical phenomenon, the spread is associated with the conduction of the waves from a transmitter to a receiver. The physical basis of the spread depends on the frequency range range of the most appropriate wavelength to pass.
Radio is a type of telecommunication which develops from the propagation of radio waves. The behavior of these waves is related to the frequency of radio spectrum bands.
The transmitter produces a carrier wave which acts on an electrical conductor (the antenna). Through the movement of electric charge induced by the wave antenna, it can transform the wave audio, video content, etc. Thus, the receiver captures the wave and converts it into information that can be understood by the public.
In a more general sense, the spread is related to infection or replication of certain phenomena. If it is said that obesity is spreading all over the world, this means that cases of overweight people are more and more frequent in several countries.