Angry, selfishness, violent tendencies, pursuit of uncontrollable power, sexual desire are all unwelcome features, socially disliked and hidden to avoid censorship. These features can be called people's shadows. Shadow is an unconscious aspect of oppression (shadow prototype). Shadows are considered dark forces because it contains all negative emotions and actions of individuals who choose to hide to avoid urgent judgments of the society.
Carl Jung is known for his concept of "shadow" prototype and is known as the dark side of our personality. Shadow prototypes are often the side of our impulsive animals, which often impairs our self-awareness. Everywhere in the movie, Walter's shadow is like another character in the room and occupies a lot of space in the picture. This shadow appeared after encounter with Lady Dietrichson. Slowly his world is darkened by the use of film photography. There are lots of clothes of light and darkness that appeals to the theme of good and evil.
There are two major groups of archetypes: anima or animas and shadows. Male Anima Prototype and Female Animas Prototype. Anima prototype is the female side of male personality and Animus is male side of female personality. (Britanica.com) The name of the shadow is descriptive. This is a dark and bad aspect of our character. Jung said the shadow represents "a destructive and aggressive trend we do not recognize in the character." (Gimbaldo Pg. 392)
This trend of sage prototypes allows us to associate it more frequently with the characteristics of light and the concept of "lighting". But saints have their own shadows to accept as well. The shadow of any prototype contains its weakness, depressed desire, and unacceptable impulses. (For more information on shadows, read the previous article). When thinking carefully, we become critical and tend to make judgments about our thoughts, emotions, and actions of others. Mark them as "good or bad" and / or "good or bad". For example, "How can you condemn? 妒妒 is wrong, please do not do." "I love my partner so much, how can I be attracted to others? It is an insight gained when you look inside and hurts you feeling guilty and then makes this reflection less useful because they cause unhealthy reactions.