What does "C" mean in an SVG path?

Question

path fill="none" stroke="#000000" d="M151.5,85.5c0-36.48,29.52-66,66-66"

Can anyone explain d="" in detail? I'm able to understand M tag but I can't understand what C tag is? and the details: c0-36.48,29.52-66,66-66

Answer 1

Check the spec. The c is a curve command.

Answer 2

c means the basier curve and then you get three coordinates for B C and D point of the curve the A point is the last point that the line graphic end drawn before calling "c"