Highlighting

Method #1
Place I-beam at beginning or end of text to be highlighted
Hold mouse button down and drag in opposite direction.
Release mouse button.
Method #2
Put slanted arrow (toward right) at beginning of line and click to highlight whole line of text.
If you continue to drag the mouse down, with arrow pointing toward text, it will highlight
each successive line until you let go of mouse.
Quick Tips
To highlight one word: double click within word..
To highlight a sentence: hold ctrl and click within sentence.
To highlight paragraph: put cursor at beginning of paragraph, then hold ctrl and shift together, and use the down arrow (to un-highlight use ctrl/shift and the up arrow).
To highlight line by line: put cursor at beginning of first line you want to highlight, then hold shift and use the down arrow.
To highlight entire document: hold ctrl and hit"a" on your keyboard or go to the Edit > Select All.
Caution:
When whole document is highlighted DON'T HIT ANY KEY ON YOUR KEYBOARD or IT WILL DISAPPEAR. If you do this, you have "Undo" to bring it back.