Semiotics or Truth?

Semiotics are signs or new media telling you something through words or an image to represent the actual word or image trying to be displayed. For example a Pipe image and underneath saying "this is not a pipe", The wording is in fact true! The validation of a pipe is a actual pipe in ones hand. Not a picture of a pipe, or a picture of a picture of a pipe or even a painting of a pipe. A video or image of something doesn't represent that thing but rather replicate its visual simulation or stimuli.