angular.module('myApp', []);
myApp.controller('ctrlName', function($scope){
   $scope.someVar = "some value";
});

myApp.controller('ctrlName', function($scope){
   $scope.someVar = "some value within controller";
})
.directive('drtvName', function(){
   return {
     scope: {
       someVar: 'some value within directive'
     }
   }
});

myApp.directive('drtvName', function(){
   scope: {/*not sure what it means when this is simply an empty object*/},
   controller: function(scope){
    /*is this completely separate from myApp.controller('name', function(){});*/
   }
});

myApp.directive('drtvName', function(){
   controller: 'ctrlName',
   scope: {
     connectedToCtrlScopeOrJustHTMLView: 'dunno'
   }
});

myApp.directive(drtvName', function(){
   scope: {},
   require: '^myParentController' //not sure what scope will be one line about with this option
});

module.controller('myController', function () {...});

controller : 'myController'