Non-verbal communication is also called body language, and we use it to convey a larger share of information during interaction. We can consider it as a fundamental prerequisite for social interaction and all interpersonal relationships. There are different divisions of communication, and according to the way of communicating it is divided into verbal and non-verbal communication. The general opinion is that non-verbal communication makes up the greater part of the interaction. It is studied according to the elements it includes, which are called signs and can be paralinguistic and extralinguistic. We use our body language to express our emotions and thus affect other people's perceptions and communication with them, which is why it is necessary to study it. Nonverbal communication has been studied since the 19th century, and the paper provides a historical overview of its study. There are various forms of nonverbal communication that have their own meanings and interpretations. The same occurs within a context, which is why nonverbal behavior needs to be studied within different specific situations, taking into account external factors and influences. The practical existence of this type of communication exists in various types of interactions, such as personal relationships and intimate ones, as well as in political, dyadic, group therapy, and business contexts, all of which are analyzed in the paper. The emphasis is placed on the business context, where individuals often rely on nonverbal communication, for example, whether they will get a job during an interview or be promoted. The success of communication depends on the development of these skills, and some authors suggest behaviors that could enhance it in a business context, as outlined in the paper. Nonverbal communication is of crucial importance in different domains of life and needs to be studied due to the specificity of each. This paper contributes to a better understanding of body language in the context of business interactions, offering recommendations for skill development in this area.