Answer: It represents Keyword Method
Step-by-step explanation:
Keyword method is one of the mnemonic methods, an highly effective system, which is used purposely for memorization of meaning a vocabulary words encompass/entail. This helps people to recall definition by visualizing memory via a sound like word. More so, it also helps in linking of words or information to one's memory.
In this case, her name is Jane Frostig and the person wanted to recall her last name with a sound like word -- frosting, because the person imagined that she has chocolate frosting spread across her forehead.