Used when having an open and sincere discussion, often about difficult subjects between two people.

Candid Conversation

Indicates a conversation should be in private rather than in a group or public place.

Private Setting

The phrase can be used regardless of the actual gender of the participants in the conversation.

In sports, describes a tactic where players cover each other individually.

Implies that each player must be physically close to the opponent they are covering.

Each player is accountable for the opponent they are assigned to.