Definition: The term "OpenType" refers to a typeface file that contains all the glyphs (letters, numbers, etc.) defined in Unicode. This typeface is not compatible with Microsoft's proprietary font format used by Windows operating systems and Adobe's System Text font format. Definition: OpenType (OT) is a typeface format developed by Google Cloud Platform (GCP) to handle cross-platform compatibility of typesetting applications that use the UTF-8 character set, which is the standard in Unicode. This format allows for automatic conversion between various fonts and is designed to be compatible with both Windows and Mac operating systems. OpenType's goal is to eliminate the need for font files to contain all characters, thereby reducing the size and complexity of font files. It simplifies font management and enhances compatibility across devices and platforms.