Here are some practices you can use in your daily life
Mantra is a sound, text or photo you focus on to concentrate your mind. See here examples of Mantra.
Mindfulness is a focus, you get when you are balanced. It is a deeper state of mind, we call presence.
A meditative state of the mind, more deeper relaxation, your spirit takes over. Your body is in the spirit, and the spirit or your soul is much bigger.