@foo                 # array
@Foo::bar            # array
@$foo                # array
@{ $bar }            # array
@{ $blah{blah}[1] }  # array
@list                # array with a confusing name

$array               # scalar (possibly a reference)
[ ... ]              # scalar (reference to anonymous array)
\@array              # scalar (reference to named array)
*foo{ARRAY}          # scalar (reference to the package global @foo)

print @array         # list (print "gets" a list, not an array, 
                     # because @array is in list context)
return @array        # list! (again, array in list context)

\(1, 2, 3)           # list of references, not a reference to a list

@foo =               # array
    map { $_ + 1 }   # list
    map { s/\n//g }  # list
    @bar             # list! (array in list context)