Explicit is defined as clearly expressed and leaving no question or ambiguity as to meaning. It is expressed without any implications and which leaves no room for explanation being distinct.
When the two comets collided, it was a moment of impact.
The students had a moment of impact in the hallway when they ran into each other.
If you are writing an Argumentative Essay, a counterclaim is a claim that acknowledges the opponent's claim, and proves your point further.