M ...held and savored in the mouth becomes...
... the taste of something good.
In this particular case it's two letters, not just one O that
makes a difference between an Oh and an Ooh.
But it's a significant difference. One is a sign of recognition, of
understanding. The other (dare I hope?) of appreciation. A well developed
network of interconnected links can be a work of art unto itself.
On to: N, or
Back to: U, or
Go to: When Dessert Becomes the Main Course