In this book, you will find a number of styles of text that distinguish between different kinds of information. Here are some examples of these styles, and an explanation of their meaning.
Code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles are shown as follows: "In the following example, we searched Google for
PPC ads to figure out what websites are coming up in both organic and paid listings."
New terms and important words are shown in bold. Words that you see on the screen, in menus or dialog boxes for example, appear in the text like this: "Go to the Tools and Analysis tab, and click on Google Analytics."
Warnings or important notes appear ...