In our exploration of semiotic potential, we have so far examined instantiation, the perspectival axis from potential to event. Today we turn to stratification, the second organising dimension of systemic functional linguistics, which provides distinct perspectives on how semiotic potential is articulated.
At first glance, Halliday’s strata — context, semantics, lexicogrammar, and phonology — appear as separate layers of language. Context exists “above” meaning, semantics mediates, lexicogrammar encodes, phonology expresses. Traditional interpretations often treat these strata as hierarchical objects. From a relational perspective, however, they are more usefully understood as different construals of the same semiotic configuration.
The Relational View of Strata
Consider a single semiotic event — a text. From one perspective, we can examine context: the field of activity, the social roles of participants, the mode of communication. From another, we can examine semantics: the meanings that emerge, the relations that are realised. From a third, we can examine lexicogrammar: the patterned selections and combinations of language items. From a fourth, we can examine phonology: the prosodic and sound structures that instantiate the text.
Each stratum is a lens through which we construe the same semiotic event. They are not ontologically independent. Context, semantics, lexicogrammar, and phonology are analytic perspectives, each capturing a distinct aspect of the relational configuration, but all referring back to the same underlying potential.
Viewed this way:
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Lower strata do not “exist separately” from higher strata.
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Higher strata are not “reduced” by lower strata.
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Each stratum is a perspective that foregrounds particular relations within the same semiotic configuration.
Stratification and Relational Articulation
Stratification provides a coordinate for examining articulation. Analysing a text along this axis reveals how potential is actualised across levels of abstraction:
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Context situates the text within a social and situational field.
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Semantics traces the relations of meaning actualised in the text.
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Lexicogrammar identifies the linguistic patterning that encodes those relations.
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Phonology realises the text in sound or other material forms.
From a relational standpoint, each stratum is a construal, not a separate entity. The strata collectively provide multiple, complementary perspectives on how semiotic potential is organised, articulated, and experienced.
Implications for Analysis
Understanding stratification as perspectival has several advantages:
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It dissolves false hierarchies. No stratum is “more fundamental” than another; each offers a different view of the same event.
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It clarifies the relation between potential and instance. A single event can be examined from multiple strata, revealing different aspects of its actualisation.
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It emphasises the relational nature of meaning. Strata are not objects; they are ways of construing the interrelations that constitute semiotic events.
Stratification as a Coordinate Axis
If we recall our metaphor of systemic theory as a coordinate system for semiotic potential, stratification forms a second axis. Every semiotic phenomenon can be located along this axis by the level of articulation we choose to emphasise:
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Close to context: relational, situational, social orientation.
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Close to phonology: concrete, embodied, perceptible realisation.
The perspective we choose determines which relations are foregrounded, but the underlying relational configuration remains the same.
Closing Thought
Stratification reveals that semiotic potential can be construed in multiple ways simultaneously. Each stratum is a lens, each lens a perspective on the same relational configuration. Together with instantiation, stratification begins to map out a multi-dimensional space of semiotic potential.
In the next post, we will explore axis — paradigmatic and syntagmatic perspectives — which completes the three-dimensional geometry of semiotic construal and reveals the interplay of choice and structure within this relational field.
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