She did not want to be known only as the wife of her husband. She insisted on having her own 'identity'. [=on being known for her own qualities, achievements, etc.]
The face of the witness was hidden in order to protect her 'identity'. [=to keep her name from being known]
He has a strong sense of personal 'identity'. [=a strong feeling about exactly the kind of person he is]
(..) I'm ready. Shenzhou, in the blind, this is Houston. Indicate FM frequency. Our radars detect you on a re-entry trajectory. If you copy, please confirm identity. This is Houston. - It's freezing, it's boring as hell. ...is: No money down! ...messages, we'll be right... - Please confirm identity. (..)2013 Gravity
(..) Houston. This is Ryan Stone. Do you copy? Houston, this is Missish... Mission Specialist Ryan Stone, do you copy? Houston, Houston, please confirm identity. Houston, you're coming in over an A.M. frequency. Copy. Do you copy? Is this the Chinese station? Is this Tiangong? Copy. (..)2013 Gravity