The exponential constant e is commonly introduced as a fundamental numerical constant arising in analysis, geometry, and models of continuous growth. Despite the abundance of equivalent formal definitions, comparatively little attention has been paid to the structural level at which e acquires meaning. In this paper, we argue that e should not be understood as a primitive property of growth processes or exponential curves. Instead, it emerges as a procedural invariant enforced by a metamodel requirement: the independence of global behavior from the choice of discretization scale. We show that the classical limit expressions defining e function not as descriptions of infinite processes, but as consistency constraints imposed on families of discrete growth procedures. From this perspective, the constant e reflects a normalization embedded in the procedural framework rather than an ontological feature of the modeled system. The analysis does not challenge the validity of classical results, but clarifies the epistemic andstructural conditions under which the exponential constant becomes meaningful.