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For questions where the dynamical variables are fields, that is, functions of several variables (typically, one time coordinate and several space coordinates). Comprises both classical field theory and quantum field theory. Use this tag when the question applies to both classical and quantum phenomena. Otherwise, use the specific tag instead.
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Fields and quantities
I'm a bit confused about the concept of a field defined as a physical quantity. For example on the Field (physics) Wikipedia page a field is defined as a
physical quantity, represented by a number or …