Stuff you may like
Boundaries between the continents of Earth: The boundaries between the continents of Earth are generally a matter of geographical convention. Several slightly different conventions are in use.
Boundaries of the mind: Boundaries of the mind refers to a personality trait concerning the degree of separateness or connection ("thinness") between mental functions and processes. Thin boundaries are associated with open-mindedness, sensitivity, vulnerability, creativity, and artistic ability.
Boundaries of the Mind: Boundaries of the Mind is a thorough treatment of the role and conceptualization of the individual in psychology, by author Robert A. Wilson, a professor in the Department of Philosophy at the University of Alberta.
Boundaries in landscape history: Boundaries—particularly field boundaries—are among the oldest features in an English rural landscape. Although a boundary itself is an abstract concept, the boundary can often be seen by differences in land use on either side.