> that is an application of the list procedure That really depends on the current package at the time the form is read, and then how `list` is defined within t

> that is an application of the list procedure That really depends on the current package at the time the form is read, and then how `list` is defined within that package. Strictly speaking, you don't even know which 'list' symbol is referenced without that context. (And in that context, list could be bound to a macro, or it could be unbound entirely.)