It is possible to have a superficial knowledge of certain matters without being familiar with their knowing their background or the conditions of their origin. But a profound understanding of a certain being or phenomenon depends wholly on a thorough familiarization of the background of that being or phenomenon. This applies equally to individuals or technical , artistic or social phenomena. For this reason, a deep understanding of the environments of Islam at the time of its birth is essential. The environments at the time of the birth of Islam may be misconstrued to mean the region including Mecca, or Mecca and Medina, or Mecca, Medina and Ta'if, or Hejaz or Arabia. It should be noted though that the noble Prophet of Islam from the very outset as he began his call to Islam while he was still at Mecca and Islam had not yet spread to Medina, began his call in the following manner: