Symbolism in art is a technique used to convey emotions, ideas, and concepts through visual elements, rather than relying solely on realistic representation.

While animals, colors, and geometric shapes are frequently used as symbols in art, numbers are less commonly employed in this manner.

Van Gogh's swirling sky in "The Starry Night" is often interpreted as a representation of his own emotional turmoil and inner struggles.

The predominant use of blue in "Guernica" is interpreted as a reflection of the somber and tragic subject matter, conveying a sense of sadness, despair, and the devastation of war.

In "Self-Portrait with Thorn Necklace and Hummingbird", Frida Kahlo depicts herself wearing a necklace of thorns with a hummingbird perched on her shoulder, symbolizing her resilience and strength amidst personal struggles.

Rodin's "The Thinker" is known for its depiction of a figure in deep contemplation, with his chin resting on his hand and his brow furrowed, symbolizing the act of profound thought and introspection.

The apple in Magritte's "The Son of Man" is often interpreted as a symbol of knowledge and temptation, referencing the biblical story of Adam and Eve in the Garden of Eden.

The pitchfork in "American Gothic" is a symbol of hard work and labor, representing the farmer's dedication to his agricultural lifestyle and the values of rural America.

Dalí's "The Persistence of Memory" is renowned for its depiction of melting clocks, symbolizing the relativity of time and the fluidity of memory.

Escher's "Ascending and Descending" features a spiral staircase that appears to be both ascending and descending simultaneously, creating an illusion of infinity and questioning the traditional notions of space and perspective.

Hopper's "Nighthawks" depicts a diner late at night, with four solitary figures sitting at the counter, conveying a sense of loneliness, isolation, and the emptiness of urban life.

Van Gogh's "Sunflowers" series explores the beauty and impermanence of life, as the sunflowers gradually wilt and fade over time, reflecting the fleeting nature of existence.

Kandinsky's "Composition VII" is known for its abstract composition of geometric shapes and lines, representing his belief that art should evoke emotions and spiritual experiences rather than depict realistic forms.

In Dalí's "The Metamorphosis of Narcissus," the egg symbolizes birth, transformation, and the cyclical nature of life, as the figure of Narcissus transforms into a flower.

Picasso's "Les Demoiselles d'Avignon" is known for its fragmented and distorted depiction of human faces, challenging traditional notions of beauty and representation.