The Sales report on the dashboard factors in projects that have logistics/start dates/event start dates between those times.

For example,
Event A starts on 12/5-12/15
Event B has Logistics starting 12/6-12/20
Event C has is on 12/10

If you search 12/6-12/20
Only projects B and C will appear on the report.
Project A starts before 12/6

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