The term 'Etch Deeply' is a phrase used to describe the process of engraving an object. Engraving is the practice of carving or cutting a design into a hard surface, such as metal or stone. It is often used to create decorative items, such as jewelry, or to inscribe words or images onto a surface. The term 'Etch Deeply' implies that the engraving should be done with a great deal of precision and care, as the design will be permanently etched into the surface.