معنی Right under در متن زیر

Doctor: let’s start by checking your height. How tall are you?
Woman: How tall am I?
Doctor: Yes, one meter 50, 60, 70, centimeters.
Woman: I have no idea how tall I am.
Doctor: Well, then we’ll have to measure you. Please, stand right under here, would you?
Woman: All right. What is this for?
Doctor: This is for measuring. Right under, yes and hmm, perfect. Ah, one meter and 60 centimeters exactly. Thank you. Height 1:60.