Discussion Nurse Administrator Role

Write a 2 pages discussion regarding the following points:
Explain the role of the nurse administrator as an advanced practice role in nursing.
Gather information from current literature, and/or the American Organization of Nurse Executive Competencies, and/or the American Nurses Credentialing Center and outline of competencies for nurse managers and their administrative skills.
Compare and contrast the differences between the role of nurse manager, nurse administrator, and nurse executive. Please provide references to the sources that you choose to use in APA format
URLs to assist you in answering this question:
ANCC for Nurse Managers
AONE for Nurse Administrators/Executives
Nurse Administrator/Manager