====== UI ======
User Interface.
  * [[https://adaptivecards.io/|adaptivecards.io]] 一个用 json 描述界面组件的框架，可转为各个平台的UI语言

===== UI Markup Language =====
用户界面标记语言
==== HTML/CSS ====
  * [[html]]
  * [[css]],
  * [[https://www.joak.org/public:it:css#flex|flex布局]]
==== QML ====
  * Qt的[[https://doc.qt.io/qt-6/qmlreference.html|QML]]
==== XUL ====
  * [[https://wiki.mozilla.org/XUL:Home_Page|XUL]]
  * https://www.xul.fr/tutorial/
==== XAML ====
  * WPF的[[https://docs.microsoft.com/en-us/dotnet/desktop/wpf/xaml/?view=netdesktop-6.0|XAML]]
  * [[https://docs.microsoft.com/en-us/dotnet/desktop/wpf/advanced/xaml-syntax-in-detail?view=netframeworkdesktop-4.8&viewFallbackFrom=netdesktop-6.0|XAML syntax in detail]]
==== Android XML Layouts ====
  * [[https://developer.android.com/guide/topics/ui|Android UI]]
==== MARIA ====
  * [[wp>MARIA_XML]]