KanjiJLPT N4
Reflect

reflect, reflection, projection

Mnemonic

The sun hangs at the exact center of the sky. Its light hits a glassy lake and reflects so powerfully the entire valley glows like a movie screen. Only when the sun is dead center does it reflect with such vivid, cinematic brilliance.
Additional thoughts
Picture high noon: the sun perfectly centered overhead, its rays striking still water and bouncing back as a blinding projection. Sun + Center = the ideal angle for reflection, like a projector casting images on a screen.
Quick recall
The sun at dead center Reflects off the lake like a cinema screen.

Details

The keyword for 映 is reflect. This kanji conveys the idea of light being cast or projected onto a surface, much like an image reflected in water or on a screen. It encompasses the broader sense of projecting, shining, or mirroring, and is closely associated with the display of images, such as in film or cinema. By extension, it also carries the meaning of something standing out vividly or being set off to advantage against a background.
On'yomi
えい
Kun'yomi
うつ.る、うつ.す、は.える、-ば.え