In the shifting terrain of contemporary art and architecture, five conceptual anchors—Sovereignty, Mesh, Metabolism, Architecture, and Epistemic—are beginning to structure not only theoretical discourse but also curatorial practice, site-responsive interventions, and the design of knowledge itself. These categories are no longer merely thematic: they function as operational logics, modes of acting, linking, and sensing within the emergent field known as Socioplastics. Taken individually, each term evokes rich histories: Sovereignty recalls political autonomy, Mesh alludes to Deleuzian topology and networked structures, Metabolism links to post-war Japanese architecture and biological adaptation, Architecture stretches beyond buildings to spatial agencies, and Epistemic foregrounds the politics of knowledge production. Yet in this moment—marked by planetary precarity, urban instability, and epistemological fatigue—these concepts are being recomposed into relational infrastructures that function not just as frameworks of analysis but as infrastructures of feeling, to borrow Raymond Williams. Within this matrix, form is no longer static, but porous; authorship is no longer singular, but distributed; and the art-architecture axis becomes less about monumentality and more about attuned metabolisation of context, debris, time, and care. Thus, the task is not to define each term discretely but to understand their entanglement as a mobile grammar for reshaping aesthetic, pedagogical, and urban futures.