Definition.com
The Gap is important precisely when it doesn't carry any meaning, not when it is pregnant with meaning. It's not the 'that's it' but rather the 'that's not it' moment.
Definition.com
A Gap is an intermediary realm of an imaginary illness created by the analysis to serve as a bridge between the unsurpassables gulf lying between some psychological disturbance and mental health.
Definition.com
The Gap is a fundamental structure of the world — There is a crack in everything, that's how the light gets in.
Meme.com

See also
.com