Dream-displacement and dream-condensation are the two foremen in charge of the dream-work, and we may put the shaping of our dreams down mainly to their activity.
condensationquotes
The first thing the investigator comes to understand in comparing the dream-content with the dream-thoughts is that work of condensation has been carried out here on a grand scale.
The way in which these factors — displacement, condensation, and over-determination — interact in the process of dream-formation, and the question of which becomes dominant and which secondary, are things we shall set aside for later inquiries.