What are interpersonal skills and how are they used daily?

What are Interpersonal skills? Well by definition are the skills of communication between one personal and another be they verbal or non verbal.
We use these skills daily whenever we communicate between each other, be it through speaking, shouting, or any other method of communication. Examples of these non verbal skills that we use could be body language such as nodding, smiling, or using hands in gestures, whilst examples of verbal skills would be shouting, and persuasion techniques.