Crystallography cell

What is crystal structure in cells?
A unit cell is the smallest representation of an entire crystal.
All crystal lattices are built of repeating unit cells.
In a unit cell, an atom's coordination number is the number of atoms it is touching.
The simple cubic has a sphere at each corner of a cube..
What is unit cell in crystallography?
A unit cell is the smallest portion of a crystal lattice that shows the three-dimensional pattern of the entire crystal.
A crystal can be thought of as the same unit cell repeated over and over in three dimensions..

What is crystal structure in cells?