Bond_coeff, angle _coeff and diherdral_coeff

Dears
Hope everyone is fine and good health
can anyone tell me what are meaning the following parameter of bond_coeff, dihedral_coeff and angle_coeff as in documentations
bond_coeff 5 80.0 1.2
dihedral_coeff 1 80.0 1 3
angle_coeff 1 300.0 107.0