
Nickname
Informal Use
 Nicknames are commonly used among friends or family, showcasing informality and affection. 
Everyone calls her 'Sunshine' because of her bright smile.
 Endearment
 A nickname often expresses fondness or a special bond and can be a sign of closeness. 
His grandma calls him 'Sweet Pea' out of endearment.
 Personality Trait
 People may be given nicknames based on distinctive traits, behaviors, or incidents. 
She's called 'Whiz' because she's a tech genius.