Home office network - planning. Please critique and help refine it

I am just beginning to plan a home office network. I have understood some concepts, but have also have manged to tie myself in knots. With some help from the experts here I am hoping to refine my network plan and implement it. Thanks you for all your help in advance.

First here is some basic information about this project:

• Internet provider - Verizon FiOS (Fiber) 75/75 (can increase this as needed
• Need the Verizon router for TV program guide, etc. -- Cannot rid this completely....

Home office network - planning. Please critique and help refine it