in relation toidiom
Definition of in relation to
1 —used to compare to the size, shape, or position of (some other part of the same thing) The monkey's eyes are large in relation to its head.
2 —used to talk about what something is like by seeing how it is related to something else understanding literature in relation to history
3 : about (something or someone) : in reference to I have several comments to make in relation to the subject at hand.