"They were assembled."
sunt is the 3rd pers plural, present indicative of esse - (they) are
sunt viae in terris Europae = They are in the streets of the land of Europe.
It can be translated like: "there are or there are not" Example: Suntne multī fluviī? - are there many rivers?
I assume you mean Sunt hostes mei which means are my enemies. The full Biblical (Psalm 3:1) verse is Domine quare multiplicati sunt hostes mei which means Lord, how my enemies have increased
pacta sunt sevanda , means in contract law means "the contract has to be respected" whatever the contract agreement is
These three are one.
There are such things
sunt = are
In virtue there are many advantages.
I believe that is Latin for These are the men of the day.
Puellae sunt filiae reginae.
It is the third person plural (they) form of the verb sum, esse, fui, futurus (all four principle parts, the first person singular, infinitive, past participle, supine.) That verb means "to be." Therefore, sunt means "they are." (they is included)