Those names are conventions. Same as in languages like Haskell/Scala where type heavy code will have type names A, B, C, D. It's a matter of getting used to, l

Those names are conventions. Same as in languages like Haskell/Scala where type heavy code will have type names A, B, C, D. It's a matter of getting used to, leater it's easy and fast to read. Abbreviations I can think of right now are: w writer, r reader/request, i, j, k, ctx context, resp response, req request, err error, cli Client