If you've configured hidden files to show, you'll see that the newly hidden file's icon is a bit lighter than non-hidden files. This is an easy way to tell which files are hidden and which aren't.
A managing director is someone who is responsible for the daily operations of a company, organization, or corporate division. A managing director may also be called a chief executive officer.. A managing director is responsible for leading teams to meet the company's goals. A company may have several managing directors in charge of various semi-autonomous business units.
A chief executive officer (CEO in American English) or managing director (MD in British English) describes the position of the most senior corporate officer, executive, or administrator in charge of managing a non-profit or for-profit organization.