Open unit disk

Open, Open source, Open data, Open textbook, Open-source film, Open standard, Open collector, Open Season (film series), Open-source car, The Open Championship, Open-design movement, Doors Open Days, Open world, Open-source software, Open-source governance, Open House London, Open access, Open-source hardware, Open set, Canada Open, Open-source software movement, Open-pit mining, Open-source religion, Open science, Open plan, Australian Open, The Open Definition, Open marriage, Open.Michigan, Open-access repository, Open and closed maps, Senior Open Championship, X/Open, Taiwan Open (golf), Open access in Belgium, Open-Sankoré, Open-notebook science, Open House, Irish Open (golf), Open list, Open-source software development

Open University, Open-wheel car, Open Bogotá, KSB Open, Open sandwich, Open education, Open the Door, Open-ended, Chicago Open, Open gaming, Hybrid open-access journal, Kenya Open, Open university (concept), Philippines Open (badminton), Open Graphics Project, Open-source robotics, Open–closed principle, OpenDocument, The Open Source Definition, Open-work charm, Open Cycle, Phoenix Open, Open Up, Open-access monograph, Garden Open, Open-source artificial intelligence, Open-core model, Open Barranquilla, Indonesia Open (golf), Open Firmware, Irish Poker Open, Open house (school), Mizuno Open, Open letter, Wuhan Open, Open-Xchange, Victorian Open, Open chord, Thailand Open (golf), Open Season, 2007 U.S. Open (golf), Open E, Open access in France, Open Access Week, Western Open, North Dakota Open, Open-access mandate, Brussels Open, Open-source license, Open business

Open, Open source, Open data, Open textbook, Open-source film, Open standard, Open collector, Open Season (film series), Open-source car, The Open Championship, Open-design movement, Doors Open Days, Open world, Open-source software, Open-source governance, Open House London, Open access, Open-source hardware, Open set, Canada Open, Open-source software movement, Open-pit mining, Open-source religion, Open science, Open plan, Australian Open, The Open Definition, Open marriage, Open.Michigan, Open-access repository, Open and closed maps, Senior Open Championship, X/Open, Taiwan Open (golf), Open access in Belgium, Open-Sankoré, Open-notebook science, Open House, Irish Open (golf), Open list, Open-source software development, Open University, Open-wheel car, Open Bogotá, KSB Open, Open sandwich, Open education, Open the Door, Open-ended, Chicago Open, Open gaming, Hybrid open-access journal, Kenya Open, Open university (concept), Philippines Open (badminton), Open Graphics Project, Open-source robotics, Open–closed principle, OpenDocument, The Open Source Definition, Open-work charm, Open Cycle, Phoenix Open, Open Up, Open-access monograph, Garden Open, Open-source artificial intelligence, Open-core model, Open Barranquilla, Indonesia Open (golf), Open Firmware, Irish Poker Open, Open house (school), Mizuno Open, Open letter, Wuhan Open, Open-Xchange, Victorian Open, Open chord, Thailand Open (golf), Open Season, 2007 U.S. Open (golf), Open E, Open access in France, Open Access Week, Western Open, North Dakota Open, Open-access mandate, Brussels Open, Open-source license, Open business, Nursing Open, Almost open map, Open Knowledge Foundation, Open-mid vowel, Open (sport), U.S. Open Pool Championship, Open Door, Open architecture, Business models for open-source software, Open classroom, Thailand Open, Open de Portugal, The Open Ecology Journal, Open coopetition, Open-source ventilator, Open problem, Women's British Open, Open constituencies, Claro Open Floridablanca, BMJ Open, Polish Open (golf), 2005 U.S. Open (golf), Biology Open, Open educational practices, Danish Open (golf), OpenBSD, Maharashtra Open, Open de Limoges, Gates Open Research, Olympia Open, Yomiuri Open, Open government, Open book, Korea Open (golf), Wide Open, Dutch Open (golf), Free and open-source software, Open Doors, Open water swimming, Alberta Open, US Open Series, List of open-source video games, Open 13, Open-container law, 1979 U.S. Open (golf), Open system, 1968 US Open – Women's singles, Open Quaternary, Valero Texas Open, OpenCL, 2023 Open Championship, Western Australian Open, Open market operation, Open air, 2005 European Judo Open Championships, List of US Open singles finalists during the Open Era, U.S. Open (golf), 1984 U.S. Open (golf), US Open (tennis), Open Theology