Generic tags are used for controlling the execution flow when the pages render. These tags also allow for data extraction from places other than your action or the value stack, such as Localization, JavaBeans, and including additional URLs or action executions.
Generic 標簽用來控制頁面渲染是的執行流程，還用來允許獲取某個地方（不是action和value stack）的數據，例如：Loaclization，JavaBean，和 including additional URLs or action executions.
- Control Tags provide control flow, such as if, else, and iterator.
控制Tag提供控制流程，例如if,else,iterator
- Data Tags allow for data manipulation or creation, such as bean, push, and i18n.
數據Tag允許數據操控或創建，例如bean，push，和i18n