All By Yourself is a phrase that is used to describe someone who is ALONE and independent. It is often used to express the idea of self-reliance and autonomy. The term All By Yourself is composed of two words, 'all' and 'by yourself'. The word 'all' means everything or the whole amount, while the phrase 'by yourself' implies that the person is ALONE and not relying on anyone else. This phrase is often used to emphasize the importance of being independent and self-sufficient.