綱 - hawser, class (genus), rope

rope; cord; line

tug of war

reins; bridle

yokozuna (highest rank in sumo); grand champion

main principle; gist; general plan; guidelines; outline

general plan; main points; summary; platform (e.g. for a campaign); mission statement

tightrope walking; high-wire act; funambulism

law and order; (official) discipline

fundamental principles; main lines

Chondrichthyes (class comprising cartilaginous fishes)

Choanoflagellatea (class of flagellate eukaryotes closely related to animals)

Anthozoa (class of cnidarians)