Answer:
an element of a culture or system of behavior that may be considered to be passed from one individual to another by nongenetic means, especially imitation. A humorous image, video, piece of text, etc., that is copied (often with slight variations) and spread rapidly by internet users.
Explanation:
this is the definition of memes you can just change the words a little if you need
I can't see the examples. But assonance means a resemblance in the sounds of words or syllables either between their vowels (e.g., meat, bean) or between their consonants (e.g., keep, cape).
Answer:
slightly frightening but useful.