Plates, slabs, and diaphragms are ubiquitous structural elements: floor slabs carrying live loads, roof diaphragms transferring lateral forces, highway bridge decks spanning between girders, and thin plate components in machinery. Elastic theory provides the foundational framework for predicting their deformations and internal forces under load. Engineers and researchers commonly rely on tabulated solutions — compact, reusable tables of coefficients, functions, and boundary-condition results — to translate elastic-theory formulas into rapid, reliable design checks and preliminary analyses. This editorial surveys the role of such tables, what they contain, how to use them effectively, and practical guidance for modern practice.