Detailed (8)
'detailed' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for in-depth that I've seen before include "Profoundly (studied)" , "Thoroughly and comprehensively" , "Detailed (investigation)" , "Detailed and thorough" , "Thorough and intensive" .)
'detailed' is the definition.
(similar in meaning)
This is all the clue.
(Other definitions for specific that I've seen before include "Particular, definite" , "Detailed" , "Precise, not vague" , "Well-defined" , "Particular, distinct" .)