Summarize about what role do nursing theories play in the practice of nursing, importance of nursing theories to nursing, how it help in the practice of nursing. No more than 300 words and not less than 250 words.

Summarize about what role do nursing theories play in the practice of nursing, importance of nursing theories to nursing, how it help in the practice of nursing. 

No more than 300 words and not less than 250 words.