As a verb, it can mean any of the following actions: to read the contents of a certain file; to start or launch a computer application or software program; to maximize or restore a window of an already running computer program; or to make an object accessible. For example, "Open this file in Microsoft Word" means that you should use that application to read and/or make changes to that particular file. When used to describe standards or designs or source code or architecture, "open" means public.

NetLingo Classification: Technical Terms