側 means side and is a JLPT N3 kanji. It has 11 strokes and uses the person (side) radical (亻).
Stroke order · 11 strokes
On'yomi (音読み)
ソク
Kun'yomi (訓読み)
かわ、がわ、そば
Radical
亻 · person (side)
Strokes
11
How to remember 側
Right up against a person (亻) — at their side. 右側 (right side), 左側 (left side) — stand on the left on Tokyo escalators, the right in Osaka. Don't get caught not knowing.