@Adverb,
The differences are the prepositions you're using which can either represent time or place - in this instance it's place.
on the corner- When I saw her, she was standing on the corner waiting for the bus.
in the corner- You've been naughty; please go stand in the corner.
at the corner- I will wait for you at the corner of Elm and Oak (streets).
Stumble It!
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