Any object containing data can be assigned certain commands. For example, a graphic object has commands for image editing and a spreadsheet contains calculation commands.
各个对象是独立的、互不影响。每一个含有数据的对象都被指定了特定的命令。这样，一个图形对象配备了各种进行图像编辑的命令，一个表格配备了各种执行计算的命令等等。