Glimpse
Part of speech: noun
Definition: A brief look, glance, or peek.
Part of speech: verb
Definition: To see or view briefly or incompletely.
Example sentence: I find my earliest memories covering the anachronistic features of a previous incarnation. Clear recollections came to me of a distant life, a yogi amidst the Himalayan snows. These glimpses of the past, by some dimensionless link, also afforded me a glimpse of the future.
Glance
Part of speech: verb
Definition: To look briefly (at something).To graze a surface.To sparkle
Part of speech: noun
Definition: A brief or cursory look.A deflection.A form of mineral with a brilliant lustre.
Example sentence: It takes more discipline than you might imagine to think, even for thirty seconds, in the noisy, confusing, high-pressure atmosphere of a film set. But a few seconds' thought can often prevent a serious mistake being made about something that looks good at first glance.