As a quality assurance officer, just in one sentence, can someone differentiate between a product quality and the process quality?

by doing the your specialty of work with didication and all your effort the result will be gratefull and adoptable to everyone.

product quality means  quality of finishing product  & in process means doing lprocess quality.

Quality of what you are producing and quality of how you are producing.

Product Quality is based on design and manufacturing.
Process Quality is based on reduction in variation a and SPC.

Product Quality is about getting the end product in conformance with pre-defined Specs , but process quality is about making the process useful and efficient to do the function that it was created for ( can be represented through flowchart analysis )

Product quality is the product's ability to fulfill the expectations and needs set by the end user and process quality depends upon how your processes are defined to make a qulaity product.

Product quality means it was the quality of the finished product.
Process quality means it was the quality of the process method which was using to produce the finished product.