Ideally, oral communication should be used for conveying a complex and lengthy message to a large number of people. t/f

True

Explanation: Oral communication , which is also known as the verbal communication is the communication way that works on the basis of the words and speech that comes from the mouth of an individual. This type of communication can convey the message easily due the speaking and listening feature.

The message length in this type of communication can vary according to the topic and it is helpful in conveying the complex message which cannot be communicated through non-verbal communication.Thus the statement given is true.