Something taking place at a certain point in time. [AGROVOC]

A number of individual items or people brought together.

 [AGROVOC]

SCOPE: Methods differ from activities in that for the former usually a formal or standardized description is available and that they involve a number of steps

Objects in this context subsume man-made, touchable things like “equipment” and “furniture”. [AGROVOC]

In scientific usage, a phenomenon is any event that is observable, however common it might be, even if it requires the use of instrumentation to observe, record, or compile data concerning it. In natural sciences, a phenomenon is an observable happening or event.

A process is a set of interrelated or interacting activities which transforms inputs into outputs.

States are any condition in which a physical substance or organism can be in. [AGROVOC]

The application of scientific knowledge to practical purposes in any field. It includes methods, techniques, and instrumentation.