What does sense of purpose mean?

What did this classical music expert fan mean by 'the sense of purpose', as he says that 'It is apparent that Kubelik worked with great effort on every phrasing and tempo change, for nothing was done without a sense of purpose'?

• Answer:

  "It is apparent that Kubelik works with great effort on every phrasing and tempo change, for nothing is done without a sense of purpose, or directly complements what comes before and after," is an Amazon.com review by ScopeGuru (Chicago). "Sense of purpose" means that nothing was done without meaning. Everything Kubelik did was in order: had proper placement & significance