resteranno
"Resteranno" is the future tense, third-person plural form of the Italian verb "restare." "Restare" itself translates to "to remain," "to stay," or "to be left." Therefore, "resteranno" means "they will remain," "they will stay," or "they will be left." This verb conjugation is used when referring to a group of people, things, or concepts that will continue to exist in a certain place or state.
For example, in the sentence "I fiori resteranno sul tavolo" (The flowers will remain on the table),