Speaking of love is hard but I love you.
"ils ont dit" means "they have said".
DIT means "Details In Thread"
"mais dis donc mon frère, tu es entouré de bien belles nanas" means "say brother, there are really nice chicks all around you"
Yes, 'a dit' means 'said'. The auxiliary 'a' means '[he/she/it] has'. The past participle 'dit' means 'said'. Together, they're pronounced ah dee'.
'Comment dit-on ...' means "how do we say ..." in English.
"J'ai dit" in French translates to "I said" in English.
Dit means 'says' in English. C'est ce qu'elle dit > that's what she says.
Un ami vous a dit means "a friend told you ..."
Bien dit in French means "well said" in English.
It means: How it is to our advantage or how we will use it.
"Dit" is the conjugated from the french verb Dire, which means to say, in the third person. For example, if one wants to say "he says" or "she says" then one would write <<il dit>> or <<elle dit.>>
"on vous l'a dit" means "you have been told" or "we told you".