Contemporary physics relies extensively on mathematical formalisms to describe natural phenomena, often achieving remarkable predictive success. However, the relationship between mathematical description and physical explanation remains a subject of ongoing debate. In many cases, mathematical models are treated not only as tools for representation but also as implicit substitutes for the underlying physical mechanisms, which can obscure questions of causality and physical origin.This article examines this methodological issue using two fundamental physical phenomena—gravity and the tunneling effect—as representative examples. Both phenomena are commonly described by highly successful mathematical frameworks, namely general relativity and quantum mechanics, yet their physical interpretations remain incomplete or debated. The work argues that predictive accuracy alone does not necessarily constitute a full physical explanation and that mathematical consistency should be complemented by physically grounded mechanisms based on observable properties of matter and interaction.Alternative descriptions of gravity and the tunneling effect are proposed, grounded in experimental observations and established physical properties of matter at macroscopic and microscopic scales. These descriptions aim to clarify the physical processes underlying the phenomena while remaining compatible with empirical data. The proposed framework does not reject existing theories but seeks to supplement them by addressing conceptual gaps related to causality, physical mechanism, and interpretation. Such an approach may contribute to a more physically transparent understanding of fundamental phenomena and provide new directions for theoretical and applied research.