You might remember the meaning of the character 便 with this easy mnemonic:
The CEO literally has one (一) staff (亻) member to hold an umbrella for him and shield him from the sun (日), and another staff member ready to slash (丿) anyone who tries to hurt him! How convenient his life must be!
Using mnemonics to remember the meaning of Chinese characters like has a huge impact on how long to learn Mandarin it takes.