sivusuunnat
Sivusuunnat is a Finnish term used to describe directions that lie to the sides of a reference direction. The concept is common in technical and scientific contexts, where a main or forward direction (pääsuunta) is defined and lateral directions are specified relative to it. Sivusuunnat are typically understood as directions perpendicular or near-perpendicular to the main axis, representing the left and right sides of the reference frame.
In practice, sivusuunnat are used to indicate lateral movement, offset, or alignment. In navigation and transportation,
Nomenclature and usage: sivusuunta (singular) and sivusuunnat (plural) are formed from sivu (side) and suunta (direction).
Examples illustrate the concept: if a ship’s heading is north, the sivusuunnat are the west and east
Overall, sivusuunnat provides a concise way to describe lateral directions in relation to a defined reference