Carrie is spending all her time with Mr. Big, and then finds he's not being exclusive, which she can't handle. Miranda has broken up with Skipper, but when she sees him out with another woman, she tries to get back together, on a non-exclusive basis, which he can't handle. Samantha goes apartment hunting, supposedly with a realtor on an exclusive basis, but actually continues to use others.
Carrie Bradshaw writes a column entitled "Sex and the City" for The New York Star, has a self-proclaimed shoe addiction, is known for her taste in fashion, and continues an on-again, off-again relationship with Mr. Big.
Samantha Jones is the oldest of the girls and is known for her seductiveness when it comes to men. Though she has a few real relationships during the series - including one with a woman - Samantha is more interested in having good sex than a real relationship.
Charlotte York is the most conservative of the four and has her heart set on finding her perfect soul mate. However, that proves to be more challenging than Charlotte had originally planned.
Miranda Hobbes is Carrie's best friend and has a more cynical view of relationships than the other three girls. Miranda is career-minded and focused on making partner at her law firm, but begins to soften and take a different approach to relationships as the years progress.