As it relates to social media, what does the term "leaner messages" mean?

Select one:

a$.$

Mediated messages are generally much briefer than face$-$to$-$face messages.

b$.$

Mediated messages tend to be more superficial and lacking in detail than face$-$to$-$face messages.

c$.$

Mediated messages lack nonverbal cues.

d$.$

Mediated messages tend to use a simple vocabulary.