Renovation is defined as reviving cosmetic changes or restoring existing structures. For example Renovating a kitchen includes painting cabinets, painting walls, possibly changing countertops.
Remodeling changes the structure of the space or building additional space. During a kitchen remodel, after selections and preparations, demolition is the first step. From the ground up, you as the homeowner will decide on a new floor plan (if desired), flooring, design custom cabinetry, decide on new appliances, countertops, sinks, and paint while keeping to your established budget. Similar to bathrooms, patios, additions, living rooms, new fireplaces, entire homes, exteriors, etc.