Word: Juxtaposition (Noun)
Definition: the act or an instance of placing two or more things side by side often to compare or contrast or to create an interesting effect
Encounter: I encountered that word through my class semester-long projects and we had countless reading based on juxtapositions.
Comprehension: Juxtapositions can be used anywhere in modern civilization. For example, Sand and ocean, tall and short, fast slow.