By now you're probably getting a little bored with the monotony of moving through all this reading. The only color you've seen is in the heading.
Images are files.
Inside, they are ugly. If you didn't know a file was an image then you wouldn't be able to tell by reading it. It takes special programs to read and interpret the data in the file and display it on your screen. There are two kinds of image file formats that are commonly used. The first format is the .gif file.