Complex sentence: Sometimes the definition is expanded to include non-primary order parameters, such as antiferromagnetism or ferrimagnetism, and other types of primary order such as ferroic arrangements of magneotelectric multipoles including ferrotoroidicity have also been recently proposed.
Split into simpler sentences: Sometimes the definition is expanded to include non-primary order parameters, such as antiferromagnetism or ferrimagnetism. In addition other types of primary order such as the ferroic arrangements of magneotelectric multipoles of which ferrotoroidicity is an example have also been recently proposed.