Crossword Clue:

to explain the meaning of

Answer	Crossword Clue
ATOMICSTRUCTURE	What the Bohr model attempted to explain
JOHNSTEINBECK	He wrote "In utter loneliness a writer tries to explain the inexplicable"
BYSEA	The meaning of two lights, according to Longfellow

EASYON	Start of a billboard catchphrase meaning "close to the highway"
SUPER	Word that retains its meaning when a B is added to the end of it
ESSE	"Emollit mores nec sinit ... feros" (motto of the University of South Carolina meaning "Learning humanizes character and does not permit it to be cruel")