Can someone help me answer these questions? These are fromAndroid Studio that i need answered for class.

(1) What is “Minimum SDK” meaning in program?
(2) Can “Wear Minimum SDK” API version be smaller than that of“Phone and Tablet Minimum SDK” ?

Save the results and answer questions about Task 2:
(1) How can you change the text value on the TextView widget?

(2) What is the code function of “Activity_main.xml”?

Save the results and answer questions about Task 3:

(1) What is the code function of “MainActivity.java”?