  The Regge trajectory relation
$M=m_R+c_{fx}c_xc_c\sqrt{x+c_{0x}}\,(x=l,\,n_r)$ is employed to give an
universal description of the heavy-light systems. The universality is
illustrated by fitting the Regge trajectories for the heavy-light mesons, the
heavy baryons composed of one heavy quark and one light diquark and the
tetraquarks consisting of one heavy diquark and one light antidiquark. The
universality leads to the meson-baryon-tetraquark partners in case of the
heavy-light systems inspired by the hadron superpartners from superconformal
and supersymmetric algebra discussed in [22]. As the slope is universal and the
parameters $c_{fl}=c_{fn_r}=1$, we find the relative errors of the estimated
values are about $2\%$. The values estimated by the universal relation agree
well with the experimental and theoretical data. Moreover, we estimate crudely
the masses of the orbitally and radially excited states of
$D^{\ast}(2010)^{\pm}$, $B^{\ast}$, $\Lambda_c^{+}$, $\Lambda_b^0$ and the
$2^{++}$ state of tetraquark $T_{bb\bar{u}\bar{d}}$.

High Energy Physics - Phenomenology