The term 'study closely' can be broken down into four crossword solutions: ANALYZE (7 letters), EXAMINE (7 letters), PORE (4 letters), and poreover (8 letters). ANALYZE means to break down a complex idea or situation into its component parts in order to understand it better. EXAMINE means to look at something carefully and thoroughly in order to gain an understanding of it. PORE means to read or study something with great care and attention. Poreover means to read or study something very carefully and thoroughly. All four of these words imply that one should take the time to carefully consider something in order to gain a full understanding of it.