'Center' in the Bible

So Aaron took the censer, just as Moses had spoken, and ran out to the center of the assembly, where a plague had begun among the people. He set the incense on fire and atoned for the people.

Measure 1,000 yards outside the city for the east side, 1,000 yards for the south side, 1,000 yards for the west side, and 1,000 yards for the north side, with the city in the center. This will belong to them as pasturelands for the cities.