Just ask the vast categories of sparkling wine (Champagne or Prosecco?), IPA (hazy or West Coast?), and brandy (cognac or Armagnac?). They’re full of sub-categories, stylistic tweaks, and ongoing ...
If desired, you can lightly brush the base with cognac, brandy, or dark rum. If you prefer, you can replace instant coffee with espresso or vice versa: note that 2 tsp of instant coffee is equivalent ...