Some non-verbal signal are when the meaning of a text is not only conveyed by means of words.sometimes in a form of different fornts,bold print,underling or italics.
See the picture below
source flickr
The meaning of these style features may vary depending on each text.examine the picture above it may be used to emphasize a word;in another,italics my be used to indicate subtitles.
See the picture below
source flickr
The meaning of these style features may vary depending on each text.examine the picture above it may be used to emphasize a word;in another,italics my be used to indicate subtitles.