they say one needs to grok vim language, but for most of the world it's foreign language. After 20 years I still don't known what "yank" means, dictionary expla

they say one needs to grok vim language, but for most of the world it's foreign language. After 20 years I still don't known what "yank" means, dictionary explanation is obscure. I think it's the reason Vim is popular in West but not East (I mean Eastern Europe).