"Bright angel"
Lady Capulet says this in Act 1 Scene 1.
Juliet says this in Shakespeare's play Romeo and Juliet.
She is talking about Tybalt. But at first Juliet thinks she is talking about Romeo.
A bird. Romeo says, "I would I were thy bird" and Juliet says "Sweet, so would I".
She means "Where are you, Romeo?"
Juliet says it to Romeo in Act 1, Scene 5 of "Romeo and Juliet" by William Shakespeare.
romeo
Romeo says it in the first scene
she was about 14
"By love, that first did prompt me to inquire." That's what Romeo says anyway.
Wherefore means why. "Wherefore art thou Romeo?" means "Why are you Romeo?" Juliet is asking why he is Romeo, or more simply why does he have to be a member of the Montague family.
Romeo and Juliet have a number of conversations in which Romeo can react to many things Juliet says. In other words, this cannot be answered unless it is more specific.