Locating Mobile Element Strategies

For Example:-
MobileElement elementOne = (MobileElement) driver.findElementByAccessibilityId("SomeAccessibilityID");
MobileElement elementTwo = (MobileElement) driver.findElementByClassName("SomeClassName");

List elementsOne = (List) driver.findElementsByAccessibilityId("SomeAccessibilityID");
List elementsTwo = (List) driver.findElementsByClassName("SomeClassName");