Look directly at (4)
I believe the answer is:
face
'look directly at' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for face that I've seen before include "'Cheeks, mouth, eyes etc (4)'" , "Confront - mug (slang)" , "cheek" , "steep side of mountain" , "Deal with" .)