Explanation:

Disadvantages/Limitations of Oral Communication
Relying only on oral communication may not be sufficient as business communication is formal and very organized.
Oral communication is less authentic than written communication as they are informal and not as organized as written communication.
Oral communication is time-saving as far as daily interactions are concerned, but in case of meetings, long speeches consume lot of time and are unproductive at times.
Oral communications are not easy to maintain and thus they are unsteady.
There may be misunderstandings as the information is not complete and may lack essentials.
It requires attentiveness and great receptivity on part of the receivers/audience.
Oral communication (such as speeches) is not frequently used as legal records except in investigation work.