Full Idea
Fields can be 'scalar', with no particular direction (pointing, but not pushing or pulling); or 'vector', with a direction (like magnetism, or Newtonian gravity); or 'tensor' (needing further parameters); or 'spinor' (depending on spin orientation).
Gist of Idea
Fields can be 'scalar', or 'vector', or 'tensor', or 'spinor'
Source
Jim Baggott (Farewell to Reality: fairytale physics [2013], 2 'Quantum')
Book Reference
Baggott,Jim: 'Farewell to Reality: fairytale physics' [Constable 2013], p.60
A Reaction
[compressed] So the question is, why do they differ? What is it in the nature of each field the result in a distinctive directional feature?