This is the 872nd most frequent Hindi word.
झलक
A glimpse or a brief view.
Here, 'झलक' is used to indicate a small or faint appearance of an emotion.
उसकी आँखों में खुशी की झलक थी।
There was a glimpse of happiness in her eyes.
Here, 'झलक' is used to represent a fleeting visual impression of beauty.
बाग से गुजरते समय फूलों की झलक ने मन मोह लिया।
Passing by the garden, the glimpse of flowers captivated the mind.
In this sentence, 'झलक' refers to a snippet exemplifying the movie's quality.