From the given options, select the figure of speech (Poetic Device) used in the expression -

Time was passing like a hand waving from a train

Simile

The figure of speech used in the expression "Time was passing like a hand waving from a train" is simile.

A simile is a figure of speech in which two things are compared using the words "like" or "as." In this case, time is being compared to a hand waving from a train. This creates a sense of the passage of time as being something that is fleeting and ephemeral.

The other answer choices are incorrect. Pun is a play on words. Oxymoron is a figure of speech in which two contradictory terms are used together. None of these devices are used in the expression "Time was passing like a hand waving from a train.".

The simile "Time was passing like a hand waving from a train" is a powerful image that captures the feeling of time slipping away. It is often used to describe the feeling of nostalgia or regret, as we watch time pass us by.