These differences relate mainly to (a) the necessity of joining some or all of the letters in a word, (b) the impossibility of incorporating all characters in a module of a fixed length, (c) the variations a character undergoes, depending on its place in a word and (d) the need for...
On the “Word Options” dialog box, click “Display” in the list of items on the left. In the “Always show these formatting marks on the screen” section, select the check boxes for the non-printing characters you want to show in your document at all times. The “Show all formatting...