What term defines the physical space around a buyer that is particularly reserved for close friends and shared interests?

The term that defines the physical space around a buyer that is particularly reserved for close friends and shared interests is known as the personal zone. This zone typically extends from about 18 inches to 4 feet and is considered a comfortable space for people who know each other well. In the context of professional selling, understanding the boundaries of the personal zone is crucial for building rapport and trust with clients, as entering this space without invitation can lead to discomfort.

In contrast, while the intimate zone refers to an even more personal space reserved for very close relationships and can range from skin contact to around 18 inches, it is not the correct choice here as it implies a level of intimacy that is not typically aligned with general social interactions in a selling environment. The public zone pertains to the space in which individuals feel comfortable communicating with large groups, making it less relevant when discussing close personal interactions. Lastly, the social zone, which ranges from 4 to 12 feet, is commonly used for casual introductions and is not confined to close personal connections, distinguishing it from the personal zone where more intimate exchanges occur.