Envelope
You are the pattern produced by drawing lines
From the points on the axes many times
Where the sum of the x-coordinates
Where the sum of the y-coordinates
Is always twelve in nature
All lines appear to touch a
Curve
As they swerve
You are the pattern produced by drawing lines
From the points on the axes many times
Where the sum of the x-coordinates
Where the sum of the y-coordinates
Is always twelve in nature
All lines appear to touch a
Curve
As they swerve