a. Source object
Specifies the source geometry for the fur. You can click on this button only from the Modify panel (and not from the Create panel).
Specifies the length of the fur strands.
Specifies the thickness of the strands.
Controls the force that pulls fur strands down along the Z-direction.
Controls the elasticity of the fur strands. When set to 0.0, the strands are hard and all straight lines. Greater values cause the strands to bend (e.g. under the influence of gravity).
Allows the user to add a taper to the individual strands of fur. Increasing this value will make each strand thinner in its upper end and wider in its base.
Fur strands are rendered as several connected straight segments; this parameter controls the number of segments.
h. Direction variation
Adds slight variation to the direction in which fur strands grow from the source object. Any positive value is valid. This parameter should be adjusted according to the scale of the scene.
i. Length/Thickness/Gravity/Curl Var
Adds variation to the corresponding parameter. Values range from 0.0 (no variation) to 1.0.