She is most known for her definition of nursing and the 14 components of basic nursing care.

Nursing is assisting individuals, sick or well, in the performance of activities contributing to health or its recovery (or to peaceful death) that they would perform unaided if they had the necessary strength, will, or knowledge.

1. Breathing normally. 2. Eating and drinking adequately. 3. Eliminating body wastes. 4. Moving and maintaining a desirable position. 5. Sleeping and resting. 6. Selecting suitable clothes. 7. Maintaining body temperature. 8. Keeping the body clean and well-groomed. 9. Avoiding dangers in the environment. 10. Communicating with others. 11. Worshipping according to one's faith. 12. Working to gain a sense of accomplishment. 13. Playing or participating in recreational activities. 14. Learning, discovering, or satisfying the curiosity that leads to normal development.

It focuses on the individual's ability to perform self-care and the role of nursing in assisting when there is a deficit.

1. Theory of Self-Care. 2. Theory of Self-Care Deficit. 3. Theory of Nursing Systems.

It emphasizes the importance of patient independence and the nurse's role in supporting patients to regain or maintain their ability to care for themselves.

It focuses on the nurse-patient relationship and the therapeutic process that occurs through interpersonal interactions.

1. Orientation Phase. 2. Identification Phase. 3. Exploitation Phase. 4. Resolution Phase.