1. Written communication may reach many people, busy or idle, able or handicapped, rich or poor in different places both international and local event in the remotest barangay.
2. Printed materials provide. Written materials also chronicle transactions made between business organizations.
3. Written materials are ensured of their confidentiality if only handled by trusted courier. Message transmitted through bilabial process are surely made known to the channel and this transmission is applicable only to open messages.
4. Written materials do not reveal the speech defect or hearing disability of the message sender as well as the same incapability on the part of the addressee.
