Write down the conditions for a compound to possess aromaticity.

(N/A) For a compound to be aromatic,it must satisfy the following conditions based on $H$ückel's rule:
$1$. The molecule must be cyclic.
$2$. The molecule must be planar,allowing for continuous overlap of $p$-orbitals.
$3$. The molecule must be completely conjugated,meaning every atom in the ring must have an unhybridized $p$-orbital.
$4$. The molecule must contain $(4n + 2)$ $\pi$-electrons,where $n$ is an integer $(n = 0, 1, 2, \dots)$.