A point of origin is the point at which something begins, or rises, or from which it derives.
As was explained in Stargate (film), to find a destination within any three-dimensional space, you need six points to determine the exact location. But, to chart a course, you need a seventh point—a point of origin.
What is true for space travel is also true for communication, we must 📝Know Thyself to know others.
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Source: [Stargate (film)](https://en.wikipedia.org/wiki/Stargate_(film))