Polarization is very easily visualised as pattern traced out by the E-field in any electromagnetic wave.

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[[File:LHCP1.gif|frame|right|Left Hand Circularly Polarized Signal. Image reproduced from [https://commons.wikimedia.org/wiki/File:Circular.Polarization.Circularly.Polarized.Light_Left.Hand.Animation.305x190.255Colors.gif here]]] <br \>