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Nongraphical objects, also known as named objects, are objects that are stored in a drawing but that are not visually part of your design in model space or paper space. They do affect the appearance of the linework and annotations visible in a drawing, control which objects are displayed, organize plot settings for outputting a layout, and much more. The nongraphical objects you might have to work with in a drawing include the following:

• Blocks

• Render presets

• Section view styles

• Table styles

• Text styles

• User coordinate systems (UCSs)

• Visual styles

• Viewports

• Views

• Detail view styles

• Dimension styles

• Layers

• Layouts

• Linetypes

• Materials

• Multileader styles

• Multiline styles

• Plot styles

Chances are, you've worked with many of these nongraphical objects and are already familiar with them. This chapter covers creating and managing the four most commonly used nongraphical objects: layers, text styles, dimension styles, and table styles. This chapter also explores the other nongraphical objects from the list and how you can work with them.