Well, before discussing about communication skills, let us know what is communication.
Communication is just transferring data from one place to other place or conveying/ expressing something which is in your mind to others.
There are different ways to communicate like speaking, writing, using hand gestures, making sounds etc… out of which speaking stands out because it’s very simple and easy.
And obviously for speaking you need a language for which we have thousands of options.
But english stands out as it is the global language and it’s been embedded with our mother tongue.
English is been dominating other languages since past 200-300 years and still tops the list. And for the dominance, result is it is the only language with is being spoken in almost all countries irrespective of the culture, lifestyle, geographical border.
These are the very few factors out of hundreds which elaborate the importance of the language.