The terms used for Ask IFAS organization are selected with consideration of the terminology used in UF/IFAS publications and programs, as well as the terms recommended by the U.S. National Agricultural Library Thesaurus (NALT) and the United Nations Food and Agriculture Organization's AGROVOC thesaurus.
While a measure can also denote an action taken, in this context, it is clearly defined as something that can be observed and involves a measurement. A measure is defined as a “number or quantity that records a directly observable value or performance. All measures have a unit attached to them: inch, centimetre, dollar, litre, etc."
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
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.