The term “shade” in literature is strikingly multifaceted, serving both concrete and abstract functions. It frequently designates a tangible area of partial darkness—whether it is the cooling respite provided by a leafy tree ([1], [2], [3]) or a deliberately crafted light cover to soften a room’s glow ([4], [5])—while simultaneously evoking an array of emotional and symbolic nuances. In narrative and poetic discourse, “shade” often embodies the subtleties of mood, hinting at melancholy, disdain, or the faint tinge of memory ([6], [7], [8], [9]). Moreover, classical epics and mythological texts employ the word to denote a ghostly or ethereal presence, linking it to the realm of spirits and the afterlife ([10], [11], [12]). This dual usage—both as an expression of physical shelter and a metaphor for underlying sentiment—augments language with rich layers of meaning, enabling authors to subtly modulate tone and atmosphere even in brief mentions ([13], [14], [15]).