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.
Typically, the director is a company leader that works in conjunction with managers, directors, clients, and staff to make sure that all of the technical needs are met. Usually a highly creative individual, the technical director can also be tasked with identifying technical problems and providing innovative solutions.