sailing a zigzag course

(nautical) the act of changing tack

gear for a horse

(nautical) a line (rope or chain) that regulates the angle at which a sail is set in relation to the wind

the heading or position of a vessel relative to the trim of its sails

to change the direction of a sailing vessel by turning the bow through the wind

to suddenly change one's policy or attitude , often in response to emerging factors

to fasten or attach something using temporary stitches or pins

to append or include additional elements to enhance or modify an existing entity or situation