Loving-kindness meditation is also known as Metta meditation. Its goal is to cultivate an attitude of love and kindness toward everything, even a person’s enemies and resources of stress.

While breathing deeply, practitioners open their minds to receiving loving kindness. They then send messages of loving kindness worldwide, to specific people, or to their beloved. In many kinds of this meditation, the key is to cover again the message many times, till the practitioner feels an attitude of loving kindness. Loving-kindness meditation is designed to promote feelings of compassion with a lot of love, both for others and oneself. It can help those affected by: anger, frustration, resentment, and interpersonal conflict. This sort of meditation may increase positive emotions and also has been linked to reduced depression, anxiety, and post-traumatic stress or PTSD.

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https://www.medicalnewstoday.com/articles/320392.php#types-of-meditation