In computer interface design, a ribbon is a graphical control element in the form of a set of toolbars placed on several tabs.The typical structure of a ribbon includes large, tabbed toolbars, filled with graphical buttons and other graphical control elements, grouped by functionality. Such ribbons use tabs to expose different sets of controls, eliminating the need for numerous …

A user chooses an option from a menu by using an input device.Some input methods require linear navigation: the user must move a cursor or otherwise pass from one menu item to another until reaching the selection. On a computer terminal, a reverse video bar may serve as the cursor.. Touch user interfaces and menus that accept codes to select menu options without navigation …

X Window System（エックスウィンドウシステム、別称：「X11」・「X」など→名称については後述）とは、ビットマップディスプレイ上でウィンドウシステムを提供する表示プロトコルである。 リファレンス実装として X.Org Server があり、標準ツールキットとプロトコルを提供し …

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