The term 'Square Things' can refer to a variety of different objects, but in this case it is referring to five words that can be found in a crossword puzzle. The five words are REPAY (5 letters), MEALS (5 letters), ATONE (5 letters), AMEND (5 letters), and GETEVEN (7 letters). All of these words have to do with making up for something that has been done wrong or making amends for a mistake. REPAY and MEALS both refer to the act of giving something back in order to make up for a wrong that has been done. ATONE and AMEND both refer to the act of apologizing or making a change in order to make up for a wrong that has been done. Finally, GETEVEN refers to the act of seeking revenge or retribution for a wrong that has been done. The final word, REPARATION (10 letters), refers to the act of making up for a wrong by providing compensation or restitution.