Action Economy

You have the option to use Move Actions & Standard Actions each round of combat. Taking no move action allows you to choose to perform a Full Round Action. Talking requires no action. Each character may only use one force power per round. Can not use a force power and a weapon/unarmed attack as a full round action combonation.
Examples of Move Actions: Walk, run, climb, swim, change weapons, switch stance in combat
Examples of Standard Actions: Attack once, use a feat, use one force power, set a mine, throw a grenade, use an item
Examples of Full Round Actions: Attacking multiple times, activating a feat and attacking, use two items, one force power and one item.

The possible Action combinations are as followed:
Move + Move
Move + Standard
Full Round Action

Power Attack, Power Blast, Flurry, Rapid Shot, Critical Strike, Sniper Shot can only be used once per round. Only one of them can be used.