The use of a graphical user interface divided into windows.(noun)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "windowing" in a sentence
"Another issue that's frustrating to consumers but important to media companies' business models is a concept called windowing, in which companies limit the availability of content on certain platforms in order to best leverage sales."
"Later in the day, Warner Bros. chief Barry Meyer, who runs the industry's biggest producer of content, gave a passionate call for a shift in the business, noting the idea of windowing content online as well as Time Warner's own TV Everywhere authentication initiative."
"This technique is known as windowing (or window-of-interest readout), and dramatically expands the image-processing possibilities with these sensors."