Concept:The correct spelling of the word meaning a main road or public way is "Thoroughfare".Explanation:Look closely at each option for spelling errors.Option A: "Throughfare" misses the second 'o' after 'r'.Option B: "Thoroghfare" has 'o' instead of 'ou' and missing 'h' after 'r'.Option D: "Thoroufare" has 'ou' but misses 'gh' and the second 'r'.Only Option C: "Thoroughfare" follows standard English spelling with 'ough' and 'fare'.Thus, it is the correctly spelt word.Answer:C. Thoroughfare