You might remember the meaning of the character 执 with this easy mnemonic:
Criminals used to be executed with a slash (丿) through his heart with an umbrella (扌), and a second (乙) slash just to make sure they were killed. The gruesome rituals were always executed at six o'clock on the dot (丶).
Using mnemonics to remember the meaning of Chinese characters like has a huge impact on how long to learn Mandarin it takes.