first is admiration of the body of the seen you find beauty in an individual's physical looks but then you realizes that those physical looks alone are not specific to only that particular person this then expands to finding beauty in many people with those physical looks commonly known as having a type regarding looks
second is admiration of the personality of the unseen you find beauty in the thoughts beliefs or opinions of an individual but then you realizes that those thoughts beliefs or opinions alone are not specific to only that particular person this then expands to finding beauty in many people that hold those similar thoughts beliefs or opinions commonly known as having a type regarding personality
third is admiration for the institutions of thought the structures that are the origins for the thoughts beliefs and opinions this is the transitional stage where one finds beauty beyond the human and in the customs in the institutions philosophies theories or religions that hold the previous thoughts beliefs and opinions
and lastly is the admiration of God who is the source of all creation from beautiful things to beautiful bodies to beautiful thoughts beliefs and opinions and lastly the beauty of learning
This is my take on the ladder of love which Socrates recounted according to Diotima; I really enjoyed learning about this in college of my winter quarter of my sophomore year.