Candore translates to "purity" or "innocence". It's a beautiful and somewhat less common word that evokes a sense of genuine, untainted goodness.
In "Amica Mia", Gianna Nannini uses candore to describe the friend's pure and sincere nature, especially in her smile. It highlights the friend's authentic way of loving and being, making her character truly special and endearing. This word adds a poetic depth to the description of the friend's personality.
"Amica Mia" is Gianna Nannini singing to a friend rather than a lover, naming the strength the friend can't see in herself. She opens with "Sei una meraviglia e io lo so" ("You are a wonder and I know it"), someone whose quiet holds so much that "Che distrarresti anche Dio" (that you would also distract God), but who keeps "facendo no con la mano" (waving no with her hand) at her own life. Nannini answers with a promise — "Sei tu che fai luce e che sei bellissima come sei" (It is you who sheds light and who is beautiful as you are) — and pushes her to stop holding back: "Perché sei troppo speciale" (Because you are too special).
The chorus turns that promise into an invitation: "Amica mia dietro la porta c'è un mare" (My friend, behind the door there is a sea), "Andiamo al largo io e te" (Let's go offshore, you and me), asking her friend to trust her enough to step back into life "Come qualche anno fa" (Like a few years ago) — before the caution set in.