The idiom "John Doe" is used to refer to an unknown person or someone whose identity is not known. It can be used to describe someone who is a stranger, a random person, or someone who is unidentified in a situation.

The idiom "in the limelight" refers to being the center of attention or focus, often in a positive or favorable way. It means that someone or something is being highlighted, showcased, or emphasized in a particular context.

"At sixes and sevens" is an idiom that means to be confused or disorganized. The phrase can also mean being uncertain, hesitant, or undecided about something. It can refer to a person, a situation, or even an event.

The idiom "ride high" means to be successful or prosperous, to have a lot of money or material possessions, or to be in a position of power or authority. The phrase is derived from the literal meaning of riding a horse on its hind legs, which symbolizes strength and dominance.

The idiom "set in ways" means that someone has a fixed or rigid way of thinking, behaving, or doing something. They are not open to change or new ideas and tend to resist any attempts to persuade them otherwise.