Controlling Visibility with Tags
What Happened to Layers? SketchUp’s Tags are an updated form of what was called Layers in older versions. Tags provide the same functionality that Layers provided and more.
Tags help you organize the objects in your SketchUp model and control their visibility. SketchUp allows you to hide tagged objects in one click rather than select each object individually. Hiding large chunks of your model using tags helps to find things faster and even speed up SketchUp a bit too. You can use tag visibility to not only set up scenes in SketchUp , but also to set up your model for efficient operation.
To control visibility with tags, first create tags in the Tags panel. You can then assign tags to selected objects using the Tag tool or the Tag dropdown in Entity Info.

By default, any new raw geometry you create has the 'Untagged' tag. Before assigning tags, make sure you understand the process of making groups and components . Your models will be much more predictable if you refrain from assigning tags to entities like edges or faces, or changing the active tag. (Unless you are an experienced modeler, don't use the pencil icon in the Tags panel).
Note: in previous versions of SketchUp, Tags were referred to as Layers.
Now that you understand the basics, let's walk through SketchUp's Tags in three parts:
Getting to Know Tags
Using the Tag Tool
Working with Tag Folders
Getting to know Tags
You can create and manage tags using the Tags panel. Find this panel under Window > Tags on MacOS, or in the default tray on Windows. ( Window > Default Tray ).

Let's get to know the Tags panel:
Add Tag : Selecting the plus sign in the upper left adds a new tag. Type a name for the tag and press Enter (or Return). To rename a tag, double-click its name in the Tags panel and enter a new name. Remember, you will need to add a tag before you can assign it to an object.
Add Tag Folder : Selecting the folder icon ( [IMAGE: /sites/help.sketchup.com/files/images/Icons/Main%20Menu/Add%20Folder.png] ) creates a folder you can use to organize your tags. Grouping tags together in a folder can make things easier when your model has a long list of tags in use. You can also toggle the visibility of every tag in a folder all at the same time, allowing you to turn off large chunks of your model all at once.
Filter Tags : To quickly zero in on a tag or tag folder, use the filtered search option at the top of the Tags panel. As you type, the Tags panel will only show tags that match what you type.
Note: While filtering, we suggest using the 'Expand All' option in the Details Menu (see below) to see tags in folders.

- Tag tool: Click the Tag tool icon (
) to the right of the filter to activate the Tag tool. See Using the Tag tool below for more detail. Color by Tag : Using the Color by Tag icon, you can change the color of all objects with the selected tag to the color you chose for that tag. To set a tag color, select the color swatch next to its name. Switching to Color by Tag gives you a very clear understanding of how objects have been tagged.
Details Menu : This sidecar menu offers the following options for managing your tags:
Expand All - Opens all folders, showing all tags within them.
Collapse All - Closes all folders, hiding the tags within them
Select All - Selects all tags
Delete Tag - Deletes the selected tag
Delete Tag Folder - Deletes the selected tag folder
Purge - Deletes all tags not assigned to an entity.
Select All Tagged - Selects all entities with the selected tag.
Dash Pattern : Set the dash pattern of a tag to style the lines of all objects with this tag.
Sort : You can sort the list of tags by name (ascending or descending alphabetically) by selecting the Name header. You can sort by visibility (visible or not visible) by selecting the Visible column header.
The 'Active Tag' : Remember, this is the setting we recommend not messing with! With the active tag you can create new geometry by default on a tag. This option is only recommended for seasoned SketchUp users.

In the following figure, each group has been assigned its own tag, and each tag appears in the Tags panel. When you toggle the icon in the example below, the Conifer tag is deselected, hiding the tree. When you click again, the tree appears. Simple as that!
