As explained in our feature, Talking Terpines with David Watson (the master crafter of the foundational hybrid Skunk #1), "terpenes, or terpenoids, are the compounds in cannabis that give the plant its unique smell. THC and the other cannabinoids have no odor, so marijuana’s compelling fragrance depends on which terpenes predominate. It’s the combination of terpenoids and THC that endows each strain with a specific psychoactive flavor." Thus, for any budding connoisseur of the herb, it is essential to understand what it is you are tasting and smelling...
...Just like a sommelier
Check Out The Most Common Terpenes (courtesy of Leafly):
Effects: Alertness, memory retention, counteracts some THC effects
Medical Value: Asthma, antiseptic
Also Found In: Pine needles, rosemary, basil, parsley, dill
Read about the rest of the Terpenes and characteristics over at Leafly: Myrcene (Pure Kush, El Nino, Himalayan Gold, Skunk #1, White Widow), Limonene (OG Kush, Super Lemon Haze, Jack the Ripper, Lemon Skunk), Caryophyllene (Hash Plant), Linalool (G-13, Amnesia Haze, Lavender, LA Confidential)