1
The act of teaching is looked upon as a flow of knowledge from a higher source to an empty container.
2
There is a clear distinction assumed between one who is supposed to know and another, usually younger person who is supposed not to know.
3
However, teaching need not be the province of a special group of people nor need it be looked upon as a technical skill.
4
Teaching can be more like guiding and assisting than forcing information into a supposedly empty bead.
5
You do not have to get certified to convey what you know to someone else or to help them in their attempt to teach themselves.