For questions about interactions with friends, people with whom you share personal details of your lives and enjoy shared activities.
By definition, a friend is a person who is within a reasonably close social circle. Friends may share phone numbers, know personal details of each other's lives and enjoy shared activities.
Related tags include
- acquaintances, for those people not quite as close
- friend-groups, for issues involving a circle of friends, not just one or two
- making-friends, for situations involving meeting new friends
