Here are the possible solutions for hidden and difficult to see clue
Answer
Clue
Relevancy
occult
Clue
Hidden and difficult to see
Definition
secret
blurtheedges
Clue
Make it difficult to see where one thing begins
murk
Clue
It's difficult to see through
Definition
dark, gloomy, obscure, also MIRK
yoda
Clue
"Difficult to see. Always in motion is the future" speaker
robertburns
Clue
Poet whose classic work is hidden in this puzzle (see the circled squares of the completed the puzzle)
asif
Clue
Valley girl's "yeah, right" [IMPORTANT: SEE THE 'NOTE' (above) for key info about this week's puzzle and SEE THE LAST CLUE DOWN for the explanation of last week's puzzle.]
computerhackers
Clue
Web concerns ... and based on six familiar names hidden in rows 1, 4, 12 and 15 of this puzzle grid, what the black squares in those rows symbolize
jot
Clue
Tiny bit (NOTE: The hidden generals in last week's puzzle were: (North) Grant, Sher-idan, Meade, Cus-ter, Burns-ide, Sherman, and Hook-er; and (South) For-rest, Early, Pic-kett, Stu-art, Longs-treet,