For instance, in analytic geometry, a line in the plane is often defined as the set of points whose coordinates satisfy a given linear equation, but in a more abstract setting, such as incidence geometry, a line may be an independent object, distinct from the set of points which lie on it.
Moodle Stands for Modular Object-Oriented Dynamic Learning Environment. Moodle is an open source course management system, orginally developed by Martin Dougiamas.
In linguistics, grammatical mood (also mode) is a grammatical feature of verbs, used for signaling modality. That is, it is the use of verbal inflections that allow speakers to express their attitude toward what they are saying (e.g. a statement of fact, of desire, of command, etc.).