Yep, LSP is Language Server Protocol, and NeoVim has (I believe) built-in support for it - as in, it can talk to a language server using LSP and use that for, for eg., "Go to definition" type shortcuts that are language-aware and more robust than pure syntax-based attempts.
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LSP=? Web search comes up with language server protocol (among many other things, this seemed the most fitting), do you mean language server?
Yep, LSP is Language Server Protocol, and NeoVim has (I believe) built-in support for it - as in, it can talk to a language server using LSP and use that for, for eg., "Go to definition" type shortcuts that are language-aware and more robust than pure syntax-based attempts.