Transmission where the transmission medium does not recognize control characters or initiate any control activity. 傳輸媒介不需要了解控制字元或啟動任何控制動作的一種傳輸方法。
Manipulating type character widths and white space to achieve aesthetically pleasing results. 中義控制字元寬度和空白距離，使視覺上有舒適的美感。
When such a control word has no parameter or has a nonzero parameter, it is assumed that the control word turns on the property. 當這樣的控制字沒有參數或僅有一個非零參數，則認為這個控制字開啟了這個屬性。
