Readings
Meanings
Radicals and components
Components
How it's built封
→ →
Mnemonic (RtK)
ⓘivy · square jewel · soil (土) · dirt (土) · ground (土) · glue
From "Remembering the Kanji" by James Heisig · Frame 168
Additional Examples
He cut the envelope open.tatoeba He opened the envelope only to be disappointed.tatoeba How dare he open my letters!tatoeba Practice Writing
Practice Writing 封
Draw with a guide, then from memory — checked at every step