Active: (This option is unavailable if the drawing is a new drawing and was not saved) Selects the active drawing name to use as the Image file.For example, if you select block HPB11, the image file name edit box displays “HPB11.” Pick: Selects an existing block name on the current drawing to use as the image file name.Browse: Finds an existing image to use for the icon.You can enter the image file name (or complete path) or select it using one of the following methods: Specifies the image file to use for the new icon. Specifies the name to appear in the icon, the description text, and the tool tip for the icon. Displays an image preview of the specified image file.