First, different interpretations?
1, instruction: instruction and instruction.
2. Teaching: Educational guidance, extended to pointing and guiding.
Second, the usage is different?
1, Guidance: Guidance is mostly used to passively accept and complete something, which means superior to subordinate, elder to junior, etc.
2. Teaching: Teaching is to educate and guide the target with some knowledge or experience.
Third, the focus is different?
1, Guidance: Guidance focuses on the guidance of ideas and directions, without more subtle work.
2, teaching: teaching focuses on pointing, will be subtle guidance.