A Decimal Fraction is one with a point.
A straight line is any distance between two places.
Parallel lines are lines that can never meet until they run together.
A Horace uncle line is a line that isn’t crooked.
A circle is a round straight line with a hole in the middle.
A hexameter is inscribed in a circle.
A foursided figure is a trapezium which is the general name for a kite.
A parallelogram has all its sides parallel.
The base of a triangle is the sum of its two sides.
Things which are equal to each other are equal to anything else.