3.1. The most striking difference is found at the lexical level. Lexical variation is more noticeable across three-generation time span than two- generation time span. e.g. old generation younger generation icebox fridge wireless boombox3.1. • The most striking difference is found at the lexical level. • Lexical variation is more noticeable across three-generation time span than two￾generation time span. e.g. old generation younger generation icebox fridge wireless boombox