The phrase "to set the foundation" means to establish or create a strong base or starting point for something. It includes laying the groundwork or building the necessary structure to support future development or success. Full definition
It will help set the foundation for what we're about to cover. (dailypriceaction.com)
My previous article will help you create a proper introduction which sets the foundation of teaching your dog to respect and properly behave in the home. (dogingtonpost.com)