Why is it important to think critically about the media you look at each day?

Read the excerpt from david foster wallace’s infinite jest. three faces have resolved into place above summer-weight sportcoats and half-windsors across a polished pine conference table shiny with the spidered light of an arizona noon. these are three deans—of admissions, academic affairs, athletic affairs. i do not know which face belongs to whom. which literary device is used in phrases such as “summer-weight sportcoats” and “polished pine”? allusion alliteration irony metaphor