The term 'second time around' is often used to refer to a situation where something is repeated or done again. This can be seen in the four crossword solutions given: ECHO (4 letters), REUSE (5 letters), RERUN (5 letters), and remarriage (10 letters). ECHO refers to the repetition of sound, REUSE refers to the act of using something again, RERUN refers to the repetition of an event, and remarriage refers to the act of getting married again. All of these words are related to the concept of doing something again, which is the definition of the term 'second time around'.