Is a move action a power? The way I have always thought was that any they thing that gave you a token was a power.

No a move is a move action. A power action would be something like charge, running shot, hypersonic speed, working together, close combat expert, ranged combat expert, or any special power that says "give this character a power action."

All powers that require a power action say so

A basic attack requires either a ranged or close combat action and a move actoion requires that