English poetry alters word choice and order in order fit the pronunciation into patterns of rhythm and rhyme, and to convey emotion by putting certain words tog

English poetry alters word choice and order in order fit the pronunciation into patterns of rhythm and rhyme, and to convey emotion by putting certain words together or apart. It is nearly ungrammatical, or you could say that each poem has its own nonstandard grammar. Here is what it means: On that morning there were two essentially similar paths, not walked on so much-- none of the fallen leaves were crushed into dirt. I decided to leave the first path, and walk on it another day. Yet knowing how one path leads on to another, I doubted that I would ever return to this place and have a chance (to walk on that first path)