U

 UFO: Unidentified or unknown aspects of oneself
 

Umbilical Cord: Connection to the past or mother, Dependency or emotional attachment
 

Umbrella: Protection from emotional or physical harm, Shelter or comfort
 

Umpire: Authority or fairness, Judgment or decision-making
 

Unicycle: Balance or lack thereof, Independence or self-reliance
 

Uniform: Conformity or belonging, Authority or discipline
 

University: Knowledge or education, Intellectual growth or development
 

Urination: Release or cleansing, Emotional expression or catharsis