Complex sentence: Australian Geographic is a media business that produces the "Australian Geographic" magazine, DMag magazine, specialist book titles, travel guides, diaries and calendars and online media and previously operated the Australian Geographical retail chain stores and Australian Geographic Travel and Australian Geographic Adventures.
Split into simpler sentences: Australian Geographic is a media business that produces the "Australian Geographic" magazine, "DMag" magazine, specialist book titles, travel guides, diaries and calendars and online media. It previously operated the Australian Geographical retail chain stores and Australian Geographic Travel and Australian Geographic Adventures.