Autocad Array Command

Creates multiple copies of objects in a pattern. Use the Rectangular Array option to create an array defined by a number of rows and columns of copies of the selected object. Use the Polar Array option to create an array by copying the selected objects around a center point.
Specifies the objects used to construct the array. You can select objects before or after the Array dialog box is displayed. To select objects when the Array dialog box is displayed, choose Select Objects. The dialog box temporarily closes. When you finish selecting objects, press ENTER. The Array dialog box is redisplayed, and the number of objects selected is shown below the Select Objects button.