as a noun, 'south' refers to one of the four cardinal directions, opposite to north. It can also denote the southern part of a region, country, or city.
'South' can be used to describe a specific direction or a general region.
The compass pointed to the south.
We live in the south of the city.
The South has a rich cultural history.
when referring to the southern part of a specific country or region, it's common to use 'the' before 'south' (e.g., the south of France). However, when referring to the general direction, 'the' is usually omitted (e.g., Head south for two miles).
as an adjective, 'south' describes something that is situated in the south, facing the south, or directed toward the south.
'south' can describe a location, direction, or wind coming from the south.
The south entrance is closed for repairs.
We took the south route to avoid traffic.
A south wind blew gently through the trees.
when using 'south' as an adjective, it's important to ensure that it's clear you're describing a location or direction, rather than referring to the noun form. Context usually helps in distinguishing.