His earnings are 'directly proportional' to the number of units he sells.
The second game followed 'directly' [='immediately'] after the first.
Their house is 'directly' ahead. = It's 'directly' in front of us.
(..) They're probably up. Oh, my God. Men are shameless. If you're not thinking with your wiener, then you're acting directly on its behalf. You bet. And on behalf of my wiener, can I get like an advance payment? I don't know. Let's ask. - "Outlook does not look good. " - What? (..)1997 Good Will Hunting