This document discusses different English prepositions that indicate location and position. It provides examples of how each preposition is used, including in, inside, outside, at, on, under, over, above, below, in front of, behind, between, beside/next to, and opposite/across from. For instance, it notes that "in/inside" is used for things that are enclosed, "on" is used for things on a surface, and "between" is used to indicate something is located between two things.