The searchlight of attention
It is interesting to watch a Charismatic Leader 'working the room' as they move from person to person. They pay much attention to the person they are talking to at any one moment, making that person feel like they are, for that time, the most important person in the world.
Charismatic Leaders pay a great deal of attention in scanning and reading their environment, and are good at picking up the moods and concerns of both individuals and larger audiences. They then will hone their actions and words to suit the situation.