More in expressions, removed extra resource thing

website/docs/configuration/expressions.html.md

@@ -295,11 +295,11 @@ for use in references, as follows:
 
   To obtain a map of values of a particular argument for _labelled_ nested
   block types, use a [`for` expression](#for-expressions):
-  `[for k, device in aws_instance.example.device : k => device.size]`.
+  `{for k, device in aws_instance.example.device : k => device.size}`.
 
-When a particular resource has the special
+When a resource has the
 [`count`](https://www.terraform.io/docs/configuration/resources.html#count-multiple-resource-instances-by-count)
-argument set, the resource itself becomes a list of instance objects rather than
+argument set, the resource itself becomes a _list_ of instance objects rather than
 a single object. In that case, access the attributes of the instances using
 either [splat expressions](#splat-expressions) or index syntax:
 
@@ -307,6 +307,29 @@ either [splat expressions](#splat-expressions) or index syntax:
   instances.
 * `aws_instance.example[0].id` returns just the id of the first instance.
 
+When a resource has the
+[`for_each`](/docs/configuration/resources.html#for_each-multiple-resource-instances-defined-by-a-map-or-set-of-strings)
+argument set, the resource itself becomes a _map_ of instance objects rather than
+a single object, and attributes of instances must be specified by key, or can
+be accessed using a [`for` expression](#for-expressions).
+
+* `aws_instance.example["a"].id` returns the id of the "a"-keyed resource.
+* `[for value in aws_instance.example: value.id]` returns a list of all of the ids
+  of each of the instances.
+
+### Local Named Values
+
+Within the bodies of certain expressions, or in some other specific contexts,
+there are other named values available beyond the global values listed above.
+(For example, the body of a resource block where `count` is set can use a
+special `count.index` value.) These local names are described in the
+documentation for the specific contexts where they appear.
+
+-> **Note:** Local named values are often referred to as _variables_ or
+_temporary variables_ in their documentation. These are not [input
+variables](./variables.html); they are just arbitrary names
+that temporarily represent a value.
+
 ### Values Not Yet Known
 
 When Terraform is planning a set of changes that will apply your configuration,

website/docs/configuration/resources.html.md

@@ -370,8 +370,6 @@ identified by a map key (or set member) from the value provided to `for_each`.
 - `<TYPE>.<NAME>` (for example, `azurerm_resource_group.rg`) refers to the resource block.
 - `<TYPE>.<NAME>[<KEY>]` (for example, `azurerm_resource_group.rg["a_group"]`,
   `azurerm_resource_group.rg["another_group"]`, etc.) refers to individual instances.
-- `{ for key, value in <TYPE>.<NAME> : key => value.public_ip }`, an expression referring to instances
-  in a resource managed with `for_each`
 
 This is different from resources without `count` or `for_each`, which can be
 referenced without an index or key.