In the search of oneself, what is uniquely identity and what is identity?

People do not have a ˜real identity within themselves; it is just a way of talking about self, it is a discourse. An ˜identity is communicated to others in your interactions with them, but this is not fixed things within a person. It is shifting, temporary construction. Gauntlett, D. (1998) on Foucaults ideas of identity.

When a person search for identity, what are the things one should look for and how to look for it.

What are the differences between uniqueness and identity?