A World-picture (n.) is (for example with 'the mechanistic world-picture', 'the physicist's world-picture) a scientific and theoretical view of the external world.
World-picture (n.) is not a picture of the world, but the world conceived as picture.
A World-picture (n.) is only one constituent of a world-view. The latter consist of a structure of life-experience, world-picture, and arising from the relation of these, an ideal of life.
A World-picture (n.) is such that those who hold the same world picture (i.e. Scientific ideas). May hold different world-views, and in their conflicts, employ the weapons supplied by their common world-picture.
World-picture (n.) is the world conceived as some kind of framed image over which we have total mastery.