Hang a bookshelf and a floating shelf to add visual interest to the large wall.
Place the TV where it can be viewed from the family room and the adjacent kitchen.
Paint walls blue for instant sophistication: Amsterdam by Benjamin Moore Affinity.
L ayer an area rug over the wall-to-wall carpet to define the seating area.
Add a coffee table that can double as a work space, game table or serving area.
Use Roman shades to control light and privacy and make the windows appear symmetrical.
Use stain-resistant fabrics that are child- and pet-friendly.