While our founders greatly valued religion as a public instructor of virtue, Rousseau thought that religions should only have educational power in spheres not relevant to society at large, and further that the state should determine
those precise boundaries.
There really aren't
any precise boundaries at all.
The two groups are probably connected so
a precise boundary may be somewhat arbitary.
Galaxies do not have
precise boundaries - the stars slowly become less plentiful as you move away from the galaxy.
The most important moment in the smokey eyes makeup is the gradual transition from one shade to another, namely the lack of
precise boundaries.
Survey: A drawing or map of
the precise boundaries of the property as well as easements, rights of way and other physical features.
There are some minor quibbles about
the precise boundaries of the ice sheets and how they varied over time, and there are several subtly different ice sheet reconstructions.
Where
the precise boundary lies between federal authority and state and local authority is not always obvious, but Congress and the Courts will be called upon to define it as drone operators mature and their operations grow more sophisticated and expand in scale.
Where
the precise boundaries of legitimate national security concerns lies is an ever - evolving question.