what is the function of ribbon in ms word
Ribbon (computing) A toolbar interface, called the "ribbon", has been a feature of Microsoft Word from the early DOS-based Word 5.5 (ca. 1990)[5] and the first Windows-based versions (activated by the "View | Ribbon" menu option[6]), for which early advertising referred to the use of "the Ribbon to replace an endless string of commands to let you format characters by eye instead of memory".[3]
Bracket Forms include round (also called "parentheses"), square, curly (also called "braces"), and angle brackets (also called "chevrons"); and various other pairs of symbols.