1‘a fleeting glimpse of her face’
brief look, quick look
glance, peek, peep
1‘he glimpsed a figure standing in the shade’
catch sight of, catch a glimpse of, get a glimpse of, see briefly, get a sight of, notice, discern, spot, spy, sight, note, pick out, make out
British informal clock
literary espy, descry
We take a look at several popular, though confusing, punctuation marks.