What is a Symbol? Signs, Archetypes, and the Language of the Psyche

A red traffic light means stop. A wedding ring means marriage. A skull on a bottle means poison. These are signs. They point to something specific, agreed upon, and reasonably well understood by everyone who shares the relevant cultural context. Their meaning is fixed, or at least settled enough that we can rely on it without thinking.

A symbol is something else entirely.

When the same skull appears in a Renaissance still life painting, surrounded by wilting flowers and a half-burned candle, it is no longer a warning label. It is something larger and stranger. A meditation on time, on mortality, on the inevitability of decay and the question of what, if anything, endures. The image is the same. The mode of meaning is completely different.

This distinction, between the sign and the symbol, sits at the centre of how the psyche actually works. It also sits at the centre of why dreams matter, why myths persist, and why some images seem to carry more weight than any literal description of them could capture. To understand symbolism is to understand a fundamental mode of human cognition, one that runs alongside rational thought and handles what rational thought cannot.

The Distinction That Jung Insisted On

Carl Gustav Jung was particular about the difference between signs and symbols. He returned to it across his work, and for good reason. Confusing the two collapses the entire territory of meaningful imagery into a kind of code-breaking exercise, which misses what the territory actually is.

A sign points to something already known. The letters Wi-Fi on your phone indicate a wireless connection. A green arrow tells you to turn. The relationship between the sign and what it signifies is conventional, agreed upon, and exhausted by the reference itself. Once you know what a sign means, there is nothing left to investigate (Jung, 1968).

A symbol, by contrast, is an image, word, or situation that expresses more than can be fully defined. Something partially known and partially beyond articulation. A symbol carries meaning that cannot be reduced to a single translation, because the meaning is not sitting inside the symbol waiting to be extracted. The meaning emerges through the encounter with it, shaped by the personal history of the person encountering it, the cultural context, and the particular conditions in which it appears (Jung, 1968).

This is why a symbol can be returned to repeatedly, across decades, and continue to yield something new. Signs are used and discarded. Symbols are inhabited.

Significance: Why Symbols Hold Multiple Meanings at Once

The Spanish poet and scholar J.E. Cirlot, whose Dictionary of Symbols remains one of the most comprehensive references in the field, used a particular term for this property: plurisignificance. A symbol carries multiple layers of meaning simultaneously. Emotional. Historical. Mythological. Personal. These layers do not contradict each other. They coexist (Cirlot, 1958).

A house in a dream may carry universal resonances with shelter, the structure of the self, the boundary between inner and outer life. It may also carry the specific emotional history of the dreamer's own home, the family that inhabited it, the rooms that felt safe and the ones that did not. Both layers are real. Both contribute to the meaning of the symbol on any given night.

This is what makes mechanical dream dictionaries so frustrating. They flatten plurisignificance into a single line of definition. House: security. Snake: betrayal. Water: emotion. The reductions are not exactly wrong. They are just too small to be useful. They mistake the surface of a symbol for its full depth.

To work with a symbol seriously is to hold its multiple meanings open, allowing the relevant layer to emerge through the work of attention, association, and reflection.

The Symbol as a Fundamental Mode of Cognition

Twentieth-century philosophy and anthropology converged on a striking idea: that symbolic thinking is not a primitive remnant from earlier stages of human development but a fundamental and ongoing mode of how the human mind works.

The American philosopher Susanne K. Langer, in her landmark 1942 work Philosophy in a New Key, argued that the capacity to make and use symbols is what distinguishes human cognition from that of other animals. Where other species respond to signs, humans live within symbolic structures. Religion, art, ritual, language itself, all are forms of symbolic activity, and they are not optional extras layered over a more basic rational core. They are constitutive of the way humans process experience (Langer, 1942).

The Romanian historian of religion Mircea Eliade made a parallel argument from a different angle. In Images and Symbols (1952) and The Sacred and the Profane (1957), Eliade described humans as homo religiosus and homo symbolicus. Symbolic thinking, on his account, is not a mode of error or wishful thinking. It is the way humans relate to dimensions of experience that cannot be captured in literal language. The sacred. The mythical. The dimensions of meaning that exceed the everyday (Eliade, 1952; Eliade, 1957).

What Langer, Eliade, Jung, and Cirlot share, despite their different disciplinary starting points, is a recognition that symbols are how the mind handles complexity. The unconscious, the sacred, the emotional, the existential. None of these are well served by rational propositions. All of them surface naturally in symbolic form.

Where Symbols Come From

If symbols are not arbitrary, where do they get their force?

Jung's answer, developed across his later work, was that symbols arise from two sources at once. Some of their power comes from the personal unconscious, the layer of each individual's psyche made up of forgotten memories, unprocessed experiences, and emotional complexes formed through their own history. A particular symbol resonates for a particular person because it connects, often without their awareness, to specific events, relationships, and feelings from their own life.

But Jung also proposed a deeper layer that he called the collective unconscious. This is the level of the psyche shared across human beings, structured by inherited tendencies he called archetypes. Archetypes are not images themselves but patterns that organise how images form. The Mother. The Hero. The Shadow. The Wise Old Man. The Trickster. These are templates for human experience that appear, in different specific forms, across mythology, religion, fairy tale, and individual dreams from cultures with no contact with one another (Jung, 1968).

This explains something that has long puzzled comparative researchers. Across vastly different cultures and historical periods, certain symbolic patterns recur with remarkable consistency. A flood that destroys and renews. A descent into darkness followed by return. A child of mysterious origin who becomes a saviour. A serpent that guards a sacred place. The specific imagery varies. The underlying patterns do not. Jung's account is that this consistency reflects the structure of the human psyche itself.

The next post in this series goes deeper into archetypes specifically. For now, the relevant point is that symbols are anchored. They have weight. They carry resonances that exceed any individual's invention because they emerge from material that is, at its deepest level, shared.

Why This Matters for Dream Work

Everything in this post comes back to the practical question of how to work with a dream.

If dreams were composed of signs, dream interpretation would be straightforward. Look up the meaning, apply it to the situation, move on. This is the model offered by most dream dictionaries and most mechanical AI dream apps. It treats symbols as if they were signs. It is fast, frictionless, and largely useless for any genuinely meaningful dream.

If dreams are composed of symbols, in the sense that Jung, Cirlot, Langer, and Eliade meant, then the work is different. It involves sitting with the imagery, allowing personal associations to surface, drawing on cultural and mythological resonances when they help, and remaining open to the multiple layers of meaning a symbol may carry simultaneously. The understanding that emerges is not extracted from the dream. It is built through engagement with it.

This is the spirit in which Murkaverse is designed. Murka, the platform's AI dream companion, is not a dictionary lookup tool. She works conversationally, helping users explore the symbols in their dreams across personal, cultural, and archetypal dimensions, without collapsing the meaning into a single line of definition. The understanding that emerges belongs to the dreamer. To explore how this works in practice, read How Murkaverse Works: From Dream to Insight.

Conclusion

A symbol is not a code. It is not a label. It is not a one-to-one translation of a hidden meaning into a public one. It is an image, a figure, a situation that holds meaning the way a poem holds meaning. By gathering many resonances at once, by exceeding what literal language can carry, and by inviting the reader to participate in the construction of what it means.

Symbolic thinking is one of the oldest and most sophisticated capacities of the human mind. It is what allows us to address experiences too complex, too charged, or too sacred for plain description. It is what gives myth, art, ritual, and dream their lasting power. To treat it seriously is to recognise that there are dimensions of life that cannot be reduced to information, and that the imagery surfacing each night during sleep is one of the most direct ways available of engaging with them.

The posts that follow in this series will go deeper into specific aspects of the symbolic landscape: archetypes, the collective unconscious, practical interpretation, and the meaning of common dream symbols across cultures. The framework laid out here is the foundation on which all of it rests.

References

Cirlot, J.E. (1958) A Dictionary of Symbols. London: Routledge.

Eliade, M. (1952) Images and Symbols: Studies in Religious Symbolism. Paris: Gallimard.

Eliade, M. (1957) The Sacred and the Profane: The Nature of Religion. New York: Harcourt, Brace.

Jung, C.G. (1968) Man and His Symbols. New York: Dell.

Langer, S.K. (1942) Philosophy in a New Key: A Study in the Symbolism of Reason, Rite, and Art. Cambridge, MA: Harvard University Press.