How Do Symbols Acquire Meaning?
A circle, cross, tree, star, or color does not necessarily have one eternal meaning. A symbol works when people recognize it and use it within a shared system.
Symbols surround us so completely that we often stop noticing them. A traffic sign, flag, ring, mathematical notation, religious image, logo, heart in a message, or figure on a star map can evoke an entire network of meanings within seconds. But where do those meanings come from, and how do we know that an ancient form once meant what we think it means today?
We first need to distinguish seeing a shape from knowing what that shape meant to someone. A circle, cross, tree, or star does not carry its historical interpretation attached to it.
A symbol is not merely an object or image. It works through a relationship among a form, what it refers to, and the person or community able to interpret that relationship.
Not everything signifies in the same way
Charles Sanders Peirce distinguished, among other things, iconic, indexical, and symbolic relationships. A photograph can represent through resemblance. Smoke can indicate fire through a physical connection. The word “tree,” however, neither resembles nor causes a tree; we understand it because we have learned a linguistic system and its conventions.
Real signs are often mixed and can have several dimensions at once. The distinction remains useful because it prevents the word symbol from becoming a shortcut for the assumption that every noticeable form must contain a hidden meaning.
Conventional does not mean meaningless
Calling a relationship conventional does not make it unimportant or chaotic. There is no natural necessity that the object we sit on must be represented by the English sound sequence “chair.” Other languages use other forms, yet within a community the word is stable because speakers learn and share it.
The Saussurean tradition emphasized this social and historical dimension of linguistic signs. Contemporary discussions of convention also note that conventions need not begin with a single explicit agreement; they can stabilize through repetition, expectations, and precedent.
Convention is not the absence of order. It is order sustained through shared use.
Meaning needs a community
Imagine inventing a new mark and privately assigning it the meaning “danger.” It can mean something to us while meaning nothing to a passerby who has never learned the association. If a group begins to use the mark consistently in similar circumstances and new members adopt the same usage, the connection between sign and meaning can stabilize.
Christine Caldwell and Kenny Smith showed in experimental microsocieties that graphical signs became conventionalized through repeated use and cultural transmission. Experienced group members understood their own signs, newcomers had to learn their meanings, and the signs became graphically simpler across chains of users. This is a laboratory model rather than a direct reconstruction of the origin of human culture, but it clearly demonstrates how a communicative convention can become established and transmitted.
A symbol can move away from its original image
At first, a sign may closely resemble the object it represents. Once a community uses it repeatedly, a complete drawing is no longer necessary; it is enough that users know what it stands for. Over time, a form can become so simplified that a newcomer cannot reliably infer its origin without prior knowledge.
Caldwell and Smith observed such movement from more iconic toward more conventional forms experimentally. This is one reason we should not infer the meaning of an ancient sign from geometry alone. An abstract shape may once have developed from a recognizable object, while visual resemblance can also mislead when historical context is missing.
The same form can mean different things in different settings
Consider a circle. It can represent the Sun, a wheel, zero, a ring, a planet, completeness, a target, or simply decoration. Geometry alone cannot tell us which interpretation is correct in a particular case.
The question “What does this symbol mean?” is therefore often too vague. A better question is: to whom, where, and when? Meaning can broaden, narrow, or change across centuries, while a symbol may move among languages, religions, political systems, artistic styles, and states.
Context often tells us more than shape
With a historical object, we should first ask where a motif appears, what surrounds it, who made the object, what it was used for, and whether comparable objects or texts exist. A circle on an astronomical instrument, a wedding ring, and a circular mosaic may be geometrically similar while serving entirely different functions.
This directly follows the methodological rule developed in Astrological and Astro-Theological Symbolism: What a Symbol Proves — and What It Does Not: the presence of a motif proves the presence of a motif; a particular interpretation of its meaning requires additional contextual evidence.
Describe the form first. Interpret the meaning second.
Similar symbols do not automatically share an origin
Comparative symbolism can easily slide into a premature chain of inference: a similar form appears in two cultures, therefore it means the same thing, therefore it must have a common origin. The evidence needed between those steps is often missing.
Two cultures can independently use similar forms because they observe a similar world or because a motif is geometrically simple. Historical transmission may genuinely have occurred, or the resemblance may be superficial while the two motifs performed entirely different functions.
Solar Myths and Universal Archetypes showed the same problem with solar myths: a shared Sun can generate comparable motifs without proving a single universal mythology. The Starry Sky as a Symbolic Language added that different cultures can build different cultural maps from the same physical sky.
Resemblance is the beginning of investigation, not proof of descent.
Do some symbols have more natural relationships to meaning?
Pure conventionality is not the whole story either. Some images are understandable through resemblance, and some signs through a real connection with an event. Certain visual features may evoke some associations more easily because of human perception and embodied experience.
We therefore do not have to choose between “all symbols have universal innate meanings” and “all meanings are completely random.” Actual symbolic systems combine resemblance, material properties, learned conventions, historical connections, and cultural context in different proportions.
Symbols can become part of cultural memory
Once a community stabilizes a meaning, symbols allow part of its information to move from individual memory into a shared material or communicative environment. Writing is an obvious example, but the same principle applies to maps, mathematical signs, diagrams, ritual objects, and many other symbolic systems.
The Oxford Handbook of Human Symbolic Evolution treats symbolization as a broad interdisciplinary phenomenon expressed through linguistic, material, social, and technological practices. Symbolic systems can therefore become mechanisms through which communities organize and transmit information beyond individual people and generations.
But a symbol does not interpret itself
An archaeologist may discover an object with an unusual motif. The physical presence of the motif is a fact, but its meaning is not automatically preserved with it. Without text, comparable finds, clear context, or a living tradition, interpretation may remain uncertain.
Such uncertainty is not a failure of research. Sometimes the most accurate conclusion is: “This motif recurs, but we do not reliably know what it meant.” That is methodologically stronger than a spectacular explanation without evidence.
Six questions before interpreting a symbol
- What do we actually see? Describe the form before inserting an interpretation.
- Where and when does it occur? Date, place, and object type can sharply limit plausible readings.
- What occurs beside it? Text, other motifs, and the object's function may change its meaning.
- Is a meaning documented? Historical sources, context, and comparable evidence outrank modern association.
- Can transmission be traced? If we claim a symbol moved between cultures, we need a historical path, not merely visual resemblance.
- What are we adding ourselves? A modern hypothesis should be labeled as a hypothesis.
These questions do not diminish symbolism. They allow us to take it seriously.
Symbols have meaning — but the meaning must be established
The older title “Symbols Are Not Accidental — They Have Meaning” would be too strong. Some shapes can be accidental, decorative, or similar without historical connection. A more precise statement is that symbols have meaning for people who use and understand them within particular systems.
Meaning can depend on resemblance, physical connection, social convention, history, narrative, ritual, or practical use—often several at once. The most important question is therefore not “What does this shape secretly mean?” but “How do we know what this shape meant to the people who used it?”
A symbol is not only an image. It is a relationship that someone learns, recognizes, and can transmit to others.
Sources and further reading
- Atkin, A. Peirce's Theory of Signs. Stanford Encyclopedia of Philosophy
- Rescorla, M. Convention. Stanford Encyclopedia of Philosophy, rev. 2024
- Stawarska, B. (2015). Saussure's Philosophy of Language as Phenomenology. Oxford University Press. DOI: 10.1093/acprof:oso/9780190213022.001.0001
- Caldwell, C. A. & Smith, K. (2012). Cultural Evolution and Perpetuation of Arbitrary Communicative Conventions in Experimental Microsocieties. PLOS ONE, 7(8), e43807. DOI: 10.1371/journal.pone.0043807
- Gontier, N. & Lock, A. (eds.). The Oxford Handbook of Human Symbolic Evolution. Oxford University Press. DOI: 10.1093/oxfordhb/9780198813781.001.0001