The Best Fences are Good Neighbors

Elastic is a hair fence.
Numbers are a letter fence.
Words are a sentence fence.
Periods are a time fence.
Wire is a barbed fence.
Time is a space fence.
Space is a light fence.
Eyes are a face fence.
Sex is an eye fence.
Plants are a sun fence.
Legibility is a money fence
Wealth is a fence fence.
Fences are a heat fence.
Heat is a cold fence.
Cold is an ocean fence.
Death is a sad fence.
Sorrow is a born fence.
Silence is an invisible fence.