Target = "_ blank" or target = "new"
The contents of the link will be opened in a new browsing window.
Target = "_ parent"
The link content will be connected as the previous screen of the file.
Target = "_ self"
The screen content is displayed in the current window. (Internal value)
Target = "_ TOP"
Display the screen contents of the frame in the window without the frame. Remove the frame)
