Mindfulness encompasses two key ingredients: awareness and acceptance. Awareness is the knowledge and ability to focus attention on one’s inner processes and experiences, such as the experience of the present moment. Acceptance is the ability to observe and accept—rather than judge or avoid—those streams of thought.
The goal of mindfulness is to cultivate perspective on one’s consciousness and identity that can bring greater peace mentally and relationally. Mindfulness may also be used in mindfulness-based therapies, to address stress, anxiety, or pain, and simply to become more relaxed.
From PsychologyToday.com