「浮き彫り」の意味・使い方がよくわからない to be distinctthrow something into reliefa relief > > The white mask stood out in bold relief in the dark. > > > This threw the seriousness of the scandal into relief. relief

The type of relief in question isn't disaster relief, it's a type of sculpture called a relief. There is also a related English idiom to bring/throw into sharp/stark relief, which means to distinguish something via contrasting it to another object. Presumably, this definition is abstracted from the process of making a relief sculpture, where the sculpture is in sharp contrast to the rock.

Let's look at the Japanese definitions for (from Weblio):

> ①
>
> ②

We can see that the first definition refers to the sculptural relief and the second definition is very similar to the English idiom.