Step 1: Click and drag over this text:
A glass of water
costs 5¢ here.
Step 2: Click on the Edit menu at the top of your browser window and click Copy, or press Command+C on a Macintosh, or Control+C on a Windows computer. This will place that text on the clipboard.
Step 3: Open a word processor.
Step 4: Click on the Edit menu at the top of the word processor window, just as you did with the browser, and click Paste, or press Command+V on a Macintosh, or Control+V on a Windows computer.
You should now see in your word processor:
A glass of water costs 5¢ here.
It will still be saved to the clipboard, so you could Paste it over and over if you wanted to. This is very useful if you don't want to type something after you've already typed it once. Keep in mind that it is not limited to the text you just Copied.