The art can be described as illustrative art even though it may tend to fine art from time to time. Different mediums are used for the creation of the artwork like watercolor, pastel and acrylic paint.
With the illustrative, you tend to think about pictures that are drawn on piece of paper. In that case, all paintings can be seen as illustrative. The main difference in this gallery is that it showcases a series of actual concepts like f.i. sisterhood. These are used a fundamental structure to describe (illustrate) the art.