Ancient Egyptian art is five thousand years old. It emerged and took shape in the ancient Egypt, the civilization of the Nile Valley. Expressed in paintings and sculptures, it was highly symbolic and fascinating - this art form revolves round the past and was intended to keep history alive.
and the most admired artists were those who replicated most admired styles of the past.
In a narrow sense, Ancient Egyptian art refers to the canonical 2D and 3D art developed in Egypt from 3000 BC and used until the 3rd century. It is to be noted that most elements of Egyptian art remained remarkably stable over the 3000 year period that represents the ancient civilization without strong outside influence. The same basic conventions and quality of observation started at a high level and remained near that level over the period.
Ancient Egyptian art forms are characterized by regularity and detailed depiction of human beings and the nature, and, were intended to provide company to the deceased in the 'other world'. Artists' endeavored to preserve everything of the present time as clearly and permanently as possible.
Completeness took precedence over prettiness. Some art forms present an extraordinarily vivid representation of the time and the life, as the ancient Egyptian life was lived thousand of years before.
Egyptian art in all forms obeyed one law: the mode of representing man, nature and the environment remained almost the same for thousands of years
In Egyptian hieroglyphs, a cartouche is an oval with a horizontal line at one end, indicating that the text enclosed is a royal name, coming into use during the beginning of the Fourth Dynasty under Pharaoh Sneferu, replacing the earlier serekh. While the cartouche is usually vertical with a horizontal line, it is sometimes horizontal if it makes the name fit bette 
Of the five royal titularies it was the throne name, also referred to as prenomen, and the "Son of Ra" titulary, the so-called nomen, i.e., the name given at birth, which were enclosed by a cartouche.
At times amulets were given the form of a cartouche displaying the name of a king and placed in tombs. Such items are often important to archaeologists for dating the tomb and its contents. Cartouches were formerly only worn by Pharaohs. The oval surrounding their name was meant to protect him from evil spirits in life and after death. The cartouche has become a symbol representing protection from evil and give good luck Egyptians believed that if you had your name written down in some place, then you would not disappear after you died. If a cartouche was attached to their coffin then they would have their name in at least one place. There were periods in Egyptian history when people refrained from inscribing these amulets with a name, for fear they might fall into somebody's hands conferring power over the bearer of the name.