Why it moved.
A scan is not just a time and a place; it means something. The business step says what was happening, shipping, receiving, packing, commissioning, and the disposition says the state the item was left in. The capture spine records both, in the standard's own controlled vocabulary — written and verified — so the meaning of an event is not a free-text guess.
The business step.
Shipping, receiving, packing, commissioning, decommissioning: the step is drawn from CBV 2.0's controlled vocabulary, not invented per vendor. Two systems that both call it shipping mean the same thing, which is the only reason their records can be compared at all.
The disposition.
In transit, in progress, damaged, recalled, destroyed: the state the item is in after the step. A recall is not a phone call and a spreadsheet; it is a disposition on the record, at the serial, that every party with scope can see for the items in their custody.
The standard gives you this dimension. Here is what it still can't tell you.
EPCIS 2.0 §7.2.2 defines five event dimensions — and no performer is among them. The record can say a company did a process. It cannot say who observed the event. That answer has its own door.
why: answered — bizStep: receiving · disposition: active who: (no field exists in the standard)
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