What does central location mean?

(This is a English question not a maths question)

It is the middle point/location of a place or an area.

For example the central location of London is the Trafalgar Square.

the author motivation is to show the power of animal-human relationships.

each morning i wrote my name

on the dusty cabinet, then crossed

the dining table in script, scrawled

in capitals on the backs of chairs,

practicing signatures like scales

while mother followed squirting

linseed from a burping can