The alternation between orchestral refrains and virtuosic outbursts by the soloist(s) is known as fast movements in Baroque concerto as there is three movements in Baroque concerto, fast-slow-fast.Ritornello Form is used in the first and last movements of baroque concerto and this form every part is different but the passage sounds like it is similar to the other passage before that and the alteration is also included in this.
Your answer is Using everyday materials or what is seen. Another would be to accept the role of <span>an object in an acceptable space also between two objects.
