Those are great questions. Like the broad umbrella of social skills, executive function skills are a broad group of skills. To prepare for providing direct teaching, the group of skills are separated into individual skills so that each specific skill may be examined/evaluated/discussed individually. Often a few specific skills of highest priority are focused on to be addressed first, with other specific skills to be focused on at a later date (as progress is made with the first group of skills).
The National Association Of Special Education Teachers (naset) has a free webpage on creating an IEP, easily found online with a web search:
Determining Measurable Annual Goals for an IEP Wrightslaw provides a blog post containing resources in answer to the question, "
Is the school required to provide social skills training?"
Here is a free pdf including IEP recommendations, provided online by Socially Speaking LLC, which provides a quick summary.