What does the abbreviation "HS" mean in coffee modification terms?

In coffee modification terms, the abbreviation "HS" stands for "Half strength." This term is commonly used in the beverage industry to indicate that the beverage should be prepared with half the usual amount of coffee or espresso, resulting in a milder flavor profile. This is particularly useful for customers who may prefer a less intense coffee experience or who are sensitive to caffeine.

While the other options may represent terms relevant in different contexts, they do not align with the standard usage of the abbreviation "HS" in coffee preparation. "Hot served" would refer to the temperature at which the beverage is served, "High sweetness" could be a descriptor for flavor profile but doesn't relate to the abbreviation, and "Heavy syrup" could describe a particular sweetness level in a beverage but is not a recognized acronym in coffee terminology. Thus, "Half strength" is the correct interpretation of "HS" in this context.