When we are Comparing thing for best of chose or get, for example, Buying any, Traveling or Cloth. “The definition of compare means to find the similarities or differences between two or more people or things.”
The rule says when it points out similarities or differences between two entities of the same general class. The critic compared the paintings in the exhibit with magazine photographs. This rule is by no means always observed, however, even in formal speech and writing.
Estimate, measure or note the similarity or dissimilarity between. Of a quality or nature surpassing all others of the same kind.