The Moon is our feelings, emotions, moods and how we express subconscious mind. Saturn removes the superficiality, and wants what is sincere and long lasting. Neptune is our visions and dreams. Natal Moon trine Saturn Neptune conjunction means that the person is sincere, deep and thoughtful.
Saturn means stripping down the superficial and forces you to focus on what is real. Neptune means our ideals, inspirations, hopes and illusions. Saturn conjunct Neptune in the Natal Chart means that the person wants a sincere and honest dream.