The term "Yogachara" has its roots in Sanskrit and can be translated to mean "practice of yoga" or "yoga practice." It is a central concept in Yogachara Buddhism, a school of thought founded by the Indian philosopher Vasubandhu in the 4th century CE.

Yogachara Buddhism, also known as the "Yogic Practice School," is based on the idea that the ultimate goal of Buddhism is to achieve enlightenment through the practice of meditation and self-reflection. This school of thought places a strong emphasis on the individual's own experience and understanding, rather than relying on external teachings or doctrines.

According to Yogachara, the mind is the primary source of all experiences and perceptions. It is constantly creating and interpreting the world around us, and this process is influenced by our past experiences, emotions, and habits. This understanding of the mind is known as "vijnapti-matra," or "representation-only."

Yogachara also teaches that the mind is constantly in a state of flux, and that our perception of reality is constantly changing. This concept is known as "paratantra-svabhava," or "dependent origination."

In order to achieve enlightenment, Yogachara emphasizes the importance of understanding and controlling the mind. This is achieved through various forms of meditation and self-reflection, which allow individuals to gain insight into their own thoughts and perceptions.

One of the key practices in Yogachara is the cultivation of "bodhi," or wisdom. This involves developing a deep understanding of the true nature of reality and the self. By recognizing the impermanence and interconnectedness of all things, individuals can break free from the cycle of suffering and achieve enlightenment.

The term "Yogachara" also has a deeper meaning in relation to the ultimate goal of this school of thought. It represents the idea that through the practice of yoga, one can achieve a state of unity and harmony with the universe, ultimately leading to enlightenment.

In summary, the term "Yogachara" encompasses the idea of using self-reflection and meditation to understand and control the mind, ultimately leading to enlightenment and a state of unity with the universe. It is a central concept in Yogachara Buddhism and highlights the importance of personal experience and understanding in the journey towards enlightenment.