(operations) A diagram which uses the symbols and notations of program evaluation and review technique to depict the flow of dependent tasks and other events in a project.

plural of PERT chart

A native or inhabitant of Perth (Australia).

Of, from or relating to Perth.

A city in Perth and Kinross council area, Scotland, historically in Perthshire. / The state capital of Western Australia. / A town, the county seat of Lanark County, Ontario, Canada.

(uncountable) Agitation; the state of being perturbed / (countable) A small change in a physical system, or more broadly any definable system (such as a biological or economic system)

present participle of pertain

Something that pertains; an appurtenance.

(intransitive) to belong to or be a part of; be an adjunct, attribute, or accessory of / (intransitive) to relate, to refer, be relevant to

(law) A right that attaches to land, in Scots law.