Glass-cutting is the process of cutting or shaping glass. There are several synonyms for this term, including glass carving, glass etching, glass engraving, glass scoring, and glass incising. Each term represents a different technique or method used to manipulate the glass. Glass carving involves sculpting the glass to create a three-dimensional design, while glass etching is a staining process that produces a permanent design on the surface of the glass. Glass engraving involves using a tool to carve intricate designs into the glass, while glass scoring involves making a shallow cut into the glass to create a clean break. Glass incising is a technique that involves cutting lines or grooves into the surface of the glass.