Judgments about the goodness or evil of a concrete choice or act that we are about to make. Judgments about the choices and actions we've already made. In the moral life, conscience can be a worse personal problem than what others think about our actions. Disagreement is frequently found among different people's consciences. Honest in this search requires turning to a variety of sources, including Scripture and Church if you are religious, parents, friends, your own experience, physical and human sciences, tradition, philosophers, professional advice.
Conscience makes specific decisions.
It is only the its interpreter. Conscience is something we form throughout our lives. Next to the obligation to follow our consciences, and even more serious, is the obligation to form our consciences well, based on objective and defensible norms of behavior. To go against conscience, what we've sincerely judged to be the right thing to do, is wrong. By definition, correct conscience is moral conscience.