Readings
Radicals and components
Radical穴caveComponents Mnemonic (RtK)
ⓘhole · house · human legs (儿) · elbow · heart (心)
From "Remembering the Kanji" by James Heisig · Frame 811
Stroke Order
11 strokes
Practice Writing
Practice Writing 窓
Draw with a guide, then from memory — checked at every step