Those who can, turn by the right one half, then those who can, turn by the left one half. If "right" is not specified preceding the command to swing thru, it is a right swing thru.
Ocean wave or alamo.
6 steps from point of contact
All hands are joined in hands-up position, elbows in close. Exert slight pressure to assist opposite dancer in turning. Arcing turns should be utilized rather than pull by type of movements and should flow effortlessly from one turn to the other so that you are in a sense, "weaving" along the line.