Final answer:
To remember the word 'obfuscate', use the keyword 'obstacle'. Imagine a person navigating a foggy obstacle course where the fog represents confusion.
Step-by-step explanation:
The keyword strategy is a mnemonic device intended to help students remember the meaning of words. For the word obfuscate, which means to make something so confusing that it is difficult to understand, a student could use the keyword of 'obstacle' since it sounds similar.
The created picture could be of someone trying to make their way through a foggy obstacle course, with shapes and paths hidden by fog, making it extremely difficult to find their way, thus representing the idea of something being confusing and hard to understand.