Impact is a marked effect or influence; an effect, an impression, an influence, as in our regional measures have had a significant impact on unemployment; Her paper discusses the likely impact of global warming on climate change.

impact on

impact on: Internet shopping has begun to have a serious impact on traditional bookshops. 

Make an impact:

She’s an excellent writer who is already making a real impact in the world of literature.

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Impart is a verb, which means to make (information, knowledge, belief) known, as in the teachers imparted a great deal of knowledge to their pupils.