You might remember the meaning of the character 福 with this easy mnemonic:
The town is holding a harvest festival to pray for good fortune. The main event is dancing around the town square's totems (卜) for one (一) whole night mouthing (口) chants to bless their fields (田).
Using mnemonics to remember the meaning of Chinese characters like has a huge impact on how long to learn Mandarin it takes.