KanjiJLPT N4
ShowRadical: Podium

show, indicate, point out, express, display

Mnemonic

Two glowing lines appear in the sky above a little shrine—a divine sign! The priests rush out to show everyone: the two beams of light hovering over the little altar mean the gods are speaking. All kneel in awe.
Additional thoughts
Visualize the kanji: two horizontal strokes on top (二) sitting above the little radical (小) below. The structure itself looks like a sacred altar displaying a heavenly message.
Quick recall
Two beams of light over a little altar show a divine sign.

Details

The keyword for 示 is show. This kanji conveys the idea of displaying, revealing, or indicating something to others. It carries the sense of making something visible or known, such as demonstrating a point or presenting information. In its broader usage, it also relates to divine revelation or spiritual signs, as it is closely associated with religious altars and offerings to the gods.
On'yomi
じ、し
Kun'yomi
しめ.す