In the twenty-first century, the semiotic landscape of communication has transformed into a polycoded sphere in which verbal, visual, and symbolic codes intersect to create meaning. This study explores the linguosemiotic and cultural mechanisms underlying the construction and interpretation of polycoded texts within semiotic space. The research aims to conceptualise how different semiotic systems—linguistic, visual, acoustic, and symbolic—interact in culturally specific ways to generate communicative effects. Adopting a mixed qualitative methodology grounded in semiotic analysis, discourse theory, and multimodal linguistics, this research analyses 60 examples of polycoded texts drawn from advertising, digital media, and literary discourse. The findings reveal that polycoded communication is structured through a dynamic interaction of culturally coded sign systems, where meaning emerges from semiotic synergy rather than from single-mode representation. The analysis identifies three major interactional mechanisms—iconic reinforcement, symbolic convergence, and cultural recontextualisation—that regulate the coherence of multimodal messages. The study concludes that the interpretation of polycoded texts is culturally determined, context-sensitive, and ideologically mediated. Understanding these mechanisms contributes to semiotics, linguoculturology, and multimodal communication theory by clarifying how human cognition, culture, and symbol systems intertwine to produce meaning within globalised semiotic spaces.

Polycoded text, semiotic space, linguoculturology, multimodality

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