If you declare Short Order Move and BS Attack, do you have to distribute your burst from a single point of your movement, or any shot of your burst from any point of your movement? So, can A shoot at B and C (splitting its burst), or only at either B or C? The wording is not clear to me...
From http://infinitythewiki.com/en/BS_Attack_Declaration in the blue box: Move + BS Attack (or vice versa) Since the Skills used in an Order are simultaneous, a BS Attack can be declared at any point during the route followed by the Move Skill. If the Burst is divided among several targets, all shots must be made from a single point. Usually, the attack is made from the position that offers the biggest advantage: a clear LoF, uncovered targets, optimal range, etc. My emphasis.
A few of those subheadings are easier to read in the physical book than on the wiki because they are on the same page together.