Whats is this Portfolyo ?

Portfolio is the name of the album or the file containing the albums in which the photographer has done or is possible to do. It's kind of his point of view. They are what can be seen through your lens. A photographer who wants to prepare a portfolio for himself prepares a section on his website or other publications with pictures or photographs related to the subjects he is interested in. Nature pictures, Product pictures, Fashion Photos, etc., related to the subjects are just a reference.