This is the 306th most frequent Italian word.
testa
Head.
Here, "testa" is used in the context of a physical condition, specifically referring to a headache.
Ho una forte mal di testa oggi.
I have a strong headache today.
In this sentence, "testa" metaphorically refers to one's mind or intelligence.
Devi usare la testa prima di agire.
You must use your head before acting.
Here, "testa" describes a part of the sculpture, literally referring to the head.