Stress is tensor,then,what is meant by tensor? (Rupasri asked)
Tensor is a mathematical object analogous to but more general than a vector, represented by an array of components that are functions of the coordinates of a space.
Tensors are used to represent correspondences between sets of geometrical vectors.
Refer to the following links for a more detailed analysis.
Physically, vectors are used to represent locations, velocities, accelerations, flux densities, field