Yes, it's called the "path tool"
GIMP, just like Photoshop or MS Paint, is a bitmap program. Vector programs are programs that are based around curved and straight lines to create an image that doesn't have any pixels.
nonlinear line
i dont think there is such thing as the equation of a curved line the closest is probably a (hyperbola, ellipse, or parabola) with a restriction making it look like a curved line but it would be very complicated
Tape measure
No, "linear" means in a straight line.
A Jigsaw would be a good power tool to cut along a curved line.
A curved line is a line that is curved.
There isn't - which is an obscene idea. GIMP designers know BETTER what's convenient.
Yes, technically a curved line can be a line segment, a line in general is something that can be curved or straight
Anchor points.
In the tool bar. State the obvious.
GIMP is a photo-editing tool much like Photoshop. You can visit the My Gimp Tutorial website and learn how to use various aspects of using GIMP, as well as installing brushes.
a curved line is a line that is bent without angels
Drag the whole file from a windows explorer window to the GIMP page then use the move tool.
It is a adze
a straight line is mainly x2 a curved line is mainly x3
Slope of a straight line is the same at all points on the line, whereas for a curved line it changes.