This research studies the poetic necessity according to the critics who were interested in poetry, and wrote criticized books chose between poetry and poets , and classified poetry into section , depending on meaning and pronunciation . Critics emphasized the unique nature of poetry ,this uniqueness made the poets question what was against then rules making apologies for it to keep it accepted . Critics looked at poetry as another level of expression and approved it with terms and conditions , such as / shame / judgement and poetry phenomena , such of it according to necesseties , critics had different views about necessities , some refused it , and described as ugliness that fades away by words water , while others approved it . Whatever opinion have the critics about necessities , it is aphenomenon that took their attention , some wrote whole books , and others chapters . In most cases , no one called it as mistake , and the lasting effect of poetry that has necessities keep it approved .