Creating and naming layers

You can create an unlimited number of layers in every drawing and use those layers for organizing information. When you create a new layer, it is initially assigned the color white (or black, depending on your system settings) and the linetype CONTINUOUS. By default, a new layer is also visible. After you create and name a layer, you can change its color, linetype, visibility, and other properties.     

To create a new layer

   1   Do one of the following to choose Explore Layers ():     

    On the ribbon, choose Home > Explore Layers (in Layers) or choose Tools > Layers (in Explorer).

    On the menu, choose Format > Explore Layers or choose Tools > Explorer > Explore Layers.

    On the Explorer toolbar, click the Explore Layers tool.

    Type explayers and then press Enter.

   2   Do one of the following:

    Choose Edit > New > Layer.

    Click the New Item tool ().

A new layer is added to the Layer Name list, with the default name NewLayer1.

   3   Type a name for the new layer over the highlighted default name, and then press Enter.

    4    To complete the command and return to your drawing, close the window.

To change a layer name in the current drawing

   1   Do one of the following to choose Explore Layers ():     

    On the ribbon, choose Home > Explore Layers (in Layers) or choose Tools > Layers (in Explorer).

    On the menu, choose Format > Explore Layers or choose Tools > Explorer > Explore Layers.

    On the Explorer toolbar, click the Explore Layers tool.

    Type explayers and then press Enter.

   2   In the Layer Name list, select the layer you want to rename.

   3   Do one of the following:

    Choose Edit > Rename, type a new name, and then press Enter.

    Highlight the layer name you want to change, type a new name, and then press Enter.

    Right-click the layer name you want to change, and from the shortcut menu, select Rename, type a new name, and then press Enter.

    4    To complete the command and return to your drawing, close the window.    

The layer named 0 is reserved.  
You cannot rename it.