In Indian philosophy, particularly in Samkhya and Ayurveda, "gunas" refer to the three fundamental qualities or attributes that influence human behavior and the nature of all things. These are sattva (purity, harmony), rajas (activity, passion), and tamas (inertia, darkness). Each guna represents a different aspect of existence and can be found in varying degrees in all individuals and objects. The interplay of these gunas affects mental states, emotions, and overall well-being. A predominance of sattva leads to clarity and peace, while rajas can result in restlessness and ambition. Conversely, a dominance of tamas may cause lethargy and confusion. Understanding these qualities can help individuals achieve balance and improve their lives.