Bunch Of Persons is a collective noun phrase for a group of persons.
A bunch of persons refers to a gathering or group of people who come together for a common purpose or are seen as a unit. This collective noun phrase emphasizes the somewhat informal nature of the group and the notion that these individuals are linked together in some way. It suggests that the people in question share a common experience, interest, or goal, which brings them together as a cohesive unit, similar to how a bunch of flowers stems from the same original source. This phrase is often used informally to describe an identifiable set of individuals who have come together momentarily or temporarily, such as a bunch of persons gathered for a photo, a bunch of persons sitting at the back of a bus engaging in conversation, or simply a bunch of persons enjoying a casual outing.