Dragonborn look very much like the dragons standing erect in human form, though they lack wings or a tail.
Gnomes take delight in life, enjoying every moment of invention, exploration, investigation, creation, and play.
An elf who looks upon a half-elf sees a human, and a human who beholds the same person sees an elf. Though this characterization is simplistic, it gets to the heart of what it means to be a half-elf in Faerûn.
Whether united under the leadership of a mighty warlock or having fought to a standstill after years of conflict, orc and human communities, sometimes form alliances. When these alliances are sealed by marriages, half-orcs are born.
Creatures with the blood of fiends, most tieflings in Faerûn share a common connection due to the machinations of The Fiend a century ago.