"Ye men of Israel, hear these words; Jesus of Nazareth, a man approved of God among you by miracles and wonders and signs, which God did by Him in the midst of you, as ye yourselves also know" Acts 2:22

Miracles - the mightiness of the works
Signs - the message or meaning of the miracles
Wonders - the marvel of the signs

Read Characteristics of the Gospels Part 3.