DO is a process verb: you can proceed through an action, that is perform an action (do one's duty, do one's homework, do the dishes), or you can proceed through an appreciation, as in "The firm doing great". You can even "do time" if you go to prison. You can also compare "How are you doing?" and "How is it going?", which have about the same ... More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.