Anna Karenina - To what extent can a novel you have studied be considered the journey of a character or characters?

Life can be said to be liken to a journey which we all are a participant traveling from one point to another. The novel "Anna Karenina" by Leo Tolstoy follows the lives of many characters on their journey.
The "hero" of the novel Constantine Dm¨ªtrich K¨­stya L¨¦vin is the voice of Leo Tolstoy, he convey Tolstoy's views, ideas and hope for Russian society.
The novel was originally written and posted in separate installment over a length of time, thus Levin's character grows with Tolstoy. This is evident as certain events unfold in chronically order simultaneo…