Complex sentence: In North America, Italian sausage ("salsiccia" in Italian) most often refers to a style of pork or turkey sausage noted for being seasoned with fennel or anise as the primary seasoning.
Split into simpler sentences: In North America, Italian sausage ("salsiccia" in Italian) most often refers to a style of pork sausage. The sausage is often noted for being seasoned with fennel or anise as the primary seasoning.