Enantiomers: One of a pair of molecular entities which are mirror images of each other and non-superposable, i.e. which are chiral.

Cahn-Ingold-Prelog rules: see Wikipedia

Reference [1]: IUPAC GoldBook
Reference [2]: Cahn, R. S.; Ingold, C. and Prelog, V.
Specification of Molecular Chirality, Angew. Chem., Int. ed. Eng., 1966, 5, 385-415