Glossary

suomeksi in English explanation in mathematics explanation in layman's terms
piste point An object with no width, height, or depth. Drawn as a dot with a pen.
jana line segment An object with length only, straight, with both a starting point and an end point. Drawn with a ruler, a dot on both ends.
puolisuora ray An object with length only, straight, with a starting point but no end point. Drawn with a ruler, a dot on one end.
suora line An object with length only, with no starting or end point. Drawn with a ruler.
viiva curve An object with length only, with no starting or end point. Drawn freehand.
murtoviiva polygonal chain An object consisting of line segments, whose end points are starting points for consequent line segments. Drawn with a ruler, by rotating it in between the line segments.
taso plane An object with width and depth, flat. The page in your notebook.