This research is an introduction to the attempt to understand and explanation the philosophical ideas, expressions and symbolic meanings that emerged behind the element of Al-Hilal & trace the roots of these ideas in previous times, as these ideas did not stem from a vacuum but inherited through different generations of intellectuals and one place, and then test these ideas in the Egyptian reality Through the collection of research examples and then to express opinion and participation through thought through the questionnaire, which was attended by a group of architects, students, students and users of the people, in order to reach to the extent of absorption and credibility of those ideas, and from this point was this The call for understanding through the mind of society in general and architecture in particular to reach a better world to call understanding and reflection in the universe to reach a dignified life to please God and invite him.