Food: milk, rice, coffee, bread, sugar, meat, water
An abstract concept: advice, happiness, health, education, research, knowledge, information, time
https://academicguides.waldenu.edu/writingcenter/grammar/nouns Please explain the difference between the terms "a mass" and "abstract concept". Why can't we treat "traffic" in "abstract concept " and not in the "mass" category?
Free · every Monday
Get the Weekly English Kit 📬
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.