I haven't gone into a deep analysis into interior, but fine ambiguity and sweets' ideas sound right. Even if you're finding inner journey links, that's still all good because we've been told that in essays, it can sound more insightful if you mention in your discussion the fact that she's 'imagining' an 'inner journey', just by mentioning it you're sort of acknowledging that the imagination plays a part in other human experiences and is not an isolated process.