There are a number of preposition words that change the meaning of a phrase when used with a particular word. For example, you can use Play with different prepositions, and you will get a different meaning every time. You can see the examples below:
1. Play at
Play at (cards)
Example: They were playing at cards.
2. Play upon
Play upon (musical instrument)
Example: Harish played upon the violin in the party.
