elective course adult education lecture refresher course session pedagogy workshop correspondence course instruction educational activity teaching orientation directed study class period course of lectures home study shop lesson propaedeutics refresher course extension course orientation course recitation industrial arts elective seminar shop class required course coursework course of instruction class education lecturing propaedeutic course of study childbirth-preparation class didactics art class

line current stream flow series

trend direction way

way of life blind alley collision course path way course of action action

belt inside track swath round line collision course trail track steps path

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evidence establishment grounds check verification substantiation confirmation cogent evidence validation

logical proof mathematical proof argument statement monstrance demonstration

probate monetization substantiation documentation authentication monetisation validation determination support finding certification

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