'Side' in the Bible

In front of the throne was something like a sea of glass as clear as crystal. In the center of the throne and on each side of the throne were four living creatures full of eyes in front and in back.

Then I looked, and I heard the voice of many angels around the throne and [the voice] of the living creatures and the elders; and they numbered myriads of myriads, and thousands of thousands (innumerable),

They will wage war against the Lamb (Christ), and the Lamb will triumph and conquer them, because He is Lord of lords and King of kings, and those who are with Him and on His side are the called and chosen (elect) and faithful.”

There are three gates on the east side, three gates on the north side, three gates on the south side and three gates on the west side.

In the midst of the street of it, and on either side of the river, was there the tree of life, which bare twelve manner of fruits, and yielded her fruit every month: and the leaves of the tree were for the healing of the nations.