In some cases, such as telephone conversations, e-mail, or snail mail, the Communication Role is not just played by a Party, but it is played by a Party at a particular Address. In Figure 14-3, this is shown by an additional relationship, where each Communication Role may be played by a Party Placement—that is, a Party being located at a particular Address.

Figure 14-3: Communications Among Sites

Alternatively, a mailing can go out, or a marketing call may be made, without knowing who the recipient is. In that case, all that is known is that a Communication Role is directed toward an Address, whether it is a physical ...

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