Unity

To me Unity is when a piece of artwork or a design all flows together to make the image work, rather it be using a grid( which is my favorite way) grouping objects up to have a focal point or using repetition.
Here is an example of repetition my M.C. Escher , he was notorious for using repetition and patterns.
I tried to find examples of each part of unity but these are what I could come up with.

 

Here is an example of using a grid by Chuck Close

Here is an image that I found using grouping for proximity

Here is an example of continuation: