Every item is identified by an item specification:
productID:itemID.variant-itemType;revision
The productID is the name of the product that contains the item.
The itemID is a unique identifier for the item. Depending on your process model rules, the item ID might be automatically generated from the item project filename, or it might be a unique ID typed when the item is created.
The variant is the item variant. A variant is an alternative implementation of an item, usually created to meet different standards or customer requirements.
The itemType is the item type. For example, a source file might have the type SRC. Item types are defined in the process model.
The revision is the revision of the item. The revision might be a number (1 or 1.1) or a mixture of numbers and letters (A1A). If an item is in a named branch, the revision shows the branch name. For example, the revision winnt#1 indicates that this is revision 1 of an item in the winnt branch. The branch name and revision ID are separated by a pound sign (#).
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