How to write instructions clearly?
It is important to write clearly and with a positive tone. It is generally easier to get your point across when using positive statements as opposed to negative statement. When ever you can try to avoid negative statements or negative connotations. If you need to use negative statements or negative connotations try to keep them down to minimum.
What are positive statement?
Positive statements don't have to have a positive meaning. It is possible to have a sentence that is positive grammatically with a negative connotation.