ocr: Name Detinition Window The Window object is the top-level object in the hierarchy. Each frame is also a window. When referring to an object using dot notation, Window may be omitted. The Window object is present of oll times. Document The Document object holds information obout the HTML document such as URL, colors, and arrays of forms, links, and anchors. The Document object is present at all times. Frame The Frame object includes any frames that make vP the pagc. The Frome object is present only when frames ore in usc. Frames arc listed in the document's frames array- History The History obj ...