Relationship Social Section it Make me confusing

it is a relationship is Ask about other sims friends ,it's obviously show to  me is my best friends[all friends]!

Ask about others and Talk up  others 

Two relation List/menu is the same one simcitizens Familiar friends,  Talk up others Database is all my  best friends here

then where do i Find my best friend friends in the database

So>

there is some Simcitizens maybe i never Seen and find them yet in the Ask about other NPCs&Played Simcitizens Location.