### Clue: Complete parts of it repeatedly, as in some places here (3,3,2,3,5,3,2)
### Answer: DOT THE I’S AND CROSS THE T’S 
 ### Explanation: Definition: Complete
  DOT(.) and TEE(t), parts of "it" when written, are repeatedly used in the answers here.  To a lesser extent, some answers have to be completed with a repeated letter, whether at the end of or somewhere within the word.
Answer:  Literally, to complete writing the 2 component letters of "it". Figuratively, to complete, ie. to finish the last few details (in addition to the meaning of being meticulous with the details).