Significados de emotional undertow en inglés

Does she not understand my own connection to the song, the emotional undertow I'm fighting?

The tapestry of contrasts, whether in the musical argument or the communication of emotional undertow, is unusually rich.

A 1960s-style horizontal split screen and Ran Bagno's jazzy spy-movie score are apt counterpoint to the story's emotional undertow.

Essentially, this is a lightweight version of "Who's Afraid of Virginia Woolf," lacking the true bite and emotional undertow of Edward Albee's classic drama.