Question

what is pronunciation? is it important for communication or not?

Answer 1

pronunciation is correct way to speak a word or given sentence.For communication you nees to have perfect pronunciation of the word that you are going to speak , so that you can perfectly connect with your audience

Answer 2

Pronunciation is the way in which a word or a language is spoken. This may refer to generally agreed-upon sequences of sound used in speaking a given word or language in a specific dialect("correct pronunciation"), or simply the way a particular individuals speak a word or language.

It is most important for communication.