"Hyperlink"

Any words or image that usually has a
bright blue  or other special color, is 
underlined, and when mouse arrow is
placed on such a link a handappears.
By clicking the left mouse button
you will be taken to that web page
or web site represented by the link.
Sometimes, if the link is on a small photo,
known as a "thumbnail" of the original,
you will be taken to the larger version.