You might remember the meaning of the character 撰 with this easy mnemonic:
I've composed a story about a hero who uses an umbrella (扌) to defeat killer snakes (乚) and uses his two hands (廾) to bring one (一) hundred and eight (八) of these snakes down.
Using mnemonics to remember the meaning of Chinese characters like has a huge impact on how long to learn Mandarin it takes.