"To connect the pieces" means to understand how different elements or parts fit together or relate to each other in order to gain a complete understanding or solve a problem. Full definition
Connect each piece of the infrastructure to your business goals by having regular touch - point meetings. (entrepreneur.com)
No difficult - to - connect pieces at all! (tinyfry.com)
It uses two rectangular desktop panels, both of which have a maximum holding capacity of 110 pounds, while the curved connecting piece can hold 66 pounds. (thatvideogameblog.com)