Common courtesy and manners in a society have changed over the years. A long time ago, it was considered common courtesy for women to curtsy and men to bow. Today, a handshake is a universal symbol of friendship and polite greeting. Swearing is considered to be bad manners, and it is common courtesy not to say swear words aloud in public. Asking someone how they are doing after greeting them is a
. common courtesy practiced in society today.