level of respect
"dono"="sama">"kun"="san"="chan">nothing
when serious situation such a business,call both male and female same "kun"or "san".
then there is no difference between "kun" and "san".
like "boku"or "watashi",
female call herself "watashi"or"boku",and male call himself "watashi" ,"boku"or"ore".
etc
|