Final answer:
A comparison of two things using 'like' or 'as' is called a simile. It is a figure of speech used to highlight similarities between two unlike things.
Step-by-step explanation:
A comparison of two things using the words like or as is called a simile. It is a figure of speech used to make a comparison between two unlike things, highlighting their similarities. Similes often use the words 'like' or 'as' to establish the comparison. For example, 'Her eyes sparkle like diamonds' is a simile comparing the brightness of her eyes to the sparkle of diamonds.
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