The phrase "one's unique purpose" refers to an individual's specific reason for being or their particular role in life that sets them apart from others. Full definition
The house is a very different place at night versus day so both times of day serve unique purposes. (snackbar-games.com)
Because of this, I style on a different level with a distinctly unique purpose in that I am passionate about people's style as well as their soul. (sybilstreet.com)
These resources coming in the form of gems which each serve their own unique purpose towards enhancing your team's abilities. (heypoorplayer.com)