please use swift

1. Define the following terms return type 2. Define the following term parameter 3. Write a function to print a greeting. 4. Write a function to receive a name as a parameter and respond with a printed greeting including the name parameter. 5. Write a function called largest that receives two integers and returns the largest of the integers 6. Write a function called large that receives two doubles and returns the largest of the integers 7. Write a function by 7 that multiplie sed integer by 7 and prints a String that says: 'The result of * 7 is giving the appropriate missing values. 8. An argument label needs to be used when calling a function and providing a parameter. When is it ok to not use an argument label and still provide a parameter? (p130) 9. If needed you can provide a default value to a function so if the value is not given it will use the default value this is a very versatile feature. a X a. Provide a function that allows you to receive a student name and percentage grade, giving a default grade of 90 if the grade is not provided