This is the 64th most frequent Italian word.
secondo
"Secondo" means "second" (in time or order) or "according to."
Here, 'secondo' functions as an adjective describing the order, relating to the concept of sequencing or ranking.
Durante il pranzo, ho ordinato il secondo piatto.
During lunch, I ordered the second course.
In this example, 'secondo' is used to mean 'according to,' referring to alignment or adherence to a standard or plan.
Ho finito il lavoro secondo i piani.
I completed the work according to the plans.
In this sentence, 'secondo' is used as a preposition meaning 'according to,' typically used to express an opinion.