Question

What is the best way to clarify a detail when reading a passage

Answer 1

I think the best way to clarify a detail when reading a passage is : 
by close reading and rereading it if necessary
This will give you a chance to pay attention to several details that you may have missed

hope this helps

Answer 2

The best strategy is to use good supporting details that properly clarifies the passage. You need to look for these small details-- especially context clues-- and have knowledge on the subject as a whole.