The note presents as an electrifying, pure burst of vivid, sun-drenched citrus, immediately zesty and sparkling, a true olfactory awakening. Its initial intensity is sharp and almost effervescent, like the mist from a freshly peeled fruit, with a distinct brightness that feels clean and uplifting. Beyond mere sourness, there's a delicate balance of tartness and a subtle, almost sweet, juicy quality, underpinned by a very faint, dry bitterness that hints at the pith and the underlying structure of the fruit itself. It has a high projection, announcing its presence boldly, but its longevity is characteristic of a top note – it flashes brightly before gracefully receding, leaving behind a lingering sensation of freshness rather than a heavy trail. Texturally, it evokes something crisp and invigorating, devoid of oiliness, yet conveying the natural succulence of the fruit. Its evolution is straightforward: an immediate, exhilarating peak, followed by a gentle fade into the heart of a composition.