It is called talking about the ability of the human being to communicate and express their thoughts through articulated sounds (includes tongue, soft palate, vocal cords, teeth, etc.).
Speaking is probably the language skill that most language learners want to perfect as quickly as possible. It used to be the only language skill that was difficult to practice online, but this is no longer the case. English learners can practice speaking online through voice or video chat and services such as Skype; They can also record and raise their voice for other people to hear.
This ability is distinctive in man, because although it is present in different species of the animal kingdom, it is in the nature of man that it reaches its maximum manifestation, insofar as it shows a very high degree of complexity and abstraction with regard to the content.
here you have a little quizz to practice your speaking . Answear it, it will be very useful.

let´s see some examples of speaking. (this is a comversation of meeting people)
this infogram will help you to remmember why and how is important the speaking, furthemore it gives you some recommendations about it.

By. Daniel Fernando Morales zapata