Echo.
Boston in the mid-1980s.
Tigers.
Basketball.
They were friends when they were younger.
His dad's dog tag.
its called a chord
Echo helps his grandmother by saving her life.
because Echo knows Judge wants him to leave.
He dreams about getting along with the Hatchets.
Vietnam War Story - 1987 The Pass 1-3 was released on: USA: 1987
Yes
In general, a "chord", but the particular set of chords that pass through the center are called diameter.