The surroundings of, and influences on, a particular item of interest.
The set of variables and their values in a namespace that an operating system associates with a process.
All the elements that affect a system or its inputs and outputs.
A particular political or social setting, arena or condition.
The environment of a function at a point during the execution of a program is the set of identifiers in the function's scope and their bindings at that point.
The natural world or ecosystem.
The software and/or hardware existing on any particular computer system.
The place where something happens.
The set of settings related to the language and region in which a computer program executes. Examples are language, currency and time formats, character encoding etc.
A partially ordered set with the following additional axiomatic properties: any finite subset of it has a meet, any arbitrary subset of it has a join, and distributivity, which states that a binary meet distributes with respect to an arbitrary join. (Note: locales are just like frames except that the category of locales is opposite to the category of frames.)