Which is the best definition of connotation

a. the meaning of a word in a different language
b. the dictionary meaning of a word
c. the additional meaning that comes from the feelings one gets from a word
d. the meaning of irony

Which answer best describes an advantage of shipping goods by canal? most towns would rather have canals than noisy railroads. goods could travel very fast downstream in the canal system. travelling by boat is a much more relaxing way to transport goods. heavy loads of goods could travel by boat more easily than if pulled by horses.