An aromatic resin is a natural, fragrant substance that is widely used in perfumes, incense, and other aromatic products. There are many synonyms for this term, including gum resin, balsam, pitch, rosin, and frankincense. Gum resin is a type of plant exudate that is rich in resinous compounds and has a characteristic aroma. Balsam is a sweet-smelling resin derived from trees, while pitch is a dark, sticky substance that is obtained from the sap of coniferous trees. Rosin is a type of resin that is used in the manufacture of varnishes, adhesives, and other industrial products, while frankincense is a resin that is traditionally used in religious ceremonies and aromatherapy.