What are the three main aspects of language that are relevant with regard to the explanation of linguistic change? What are systemic / social / psychological factors of linguistic change?,”1. Abstract System -> Systematic (internal) factors – Redundancy; Asymmetries; Functional Load; Gaps in Language System2. Mean of communication -> Social (external) factors – Bilingualism; Fashion; Prestige; Social
Political Changes3. Faculty in the Brain -> Psychological factors – Principal of Ease; Principal of Clarity”