Yes. Sometimes human have to perform some actions irrespective of his/her good or bad intentions. But to have a good intention is also a part of good Karma. If your actions and intentions go in sync(considering good intentions), then you are on the right path of Karma.
I guess Action (Karma) is the Key because everyone know about his/her good & bad intentions but still performs that action.
Yes. Sometimes human have to perform some actions irrespective of his/her good or bad intentions. But to have a good intention is also a part of good Karma. If your actions and intentions go in sync(considering good intentions), then you are on the right path of Karma.
Yes you are right. Intention is a part of Karma.