The term 'grand-scale' is used to describe something that is very large or expansive. It can be broken down into four words: EPIC (4 letters), MACRO (5 letters), MEGA (4 letters), and MASS (4 letters). EPIC refers to something that is heroic or impressive in size, MACRO means something that is very large or of great importance, MEGA implies something that is extremely large or powerful, and MASS suggests something that is very large in quantity. Together, these words form the phrase 'grand-scale, ' which is used to describe something that is very large or expansive.