A vessel may 'rock' from side to side in open water. The expression may also apply in aviation as does the word 'yaw'
line segment
horizontal is side to side vertical is up and down
In geometry it is called the "Great Circle".
A Linear Motion Is Not Just A Mechanical Motion But The Real Meaning To Linear Is Where Something Goes From One Place To Another And Doesn't ReturnE.G.From Point A To Point B(The other 3 motions are; Reciprocating (one place to another and back), Rotary (goes round) and Oscillating Motion (goes in a straight line but curves)
Up and down.
linear
These are called Surface waves
line segment
it goes with their motto...excellence in motion.
Its called an amble , they also do not walk in straight lines but sway from side to side ,so that it can always have one eye on its rear.
lateral motion.
Fishtail
radius
Venal
It's the backside or hind quarters. That's where the brand goes
rotary motion is movement that goes in a circle
horizontal is side to side vertical is up and down