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 Insert: Contains Block and Reference panels as well as Import commands, and a series of commands for working with nongraphical information, such as attributes, fields, data links, and geographic data. I cover blocks (see ssss1) and external references (see ssss1), but a description of geographic and data tools is beyond the scope of this book.

 Annotate: Expands on the minimalist Annotation panel on the Home tab, with many more options for placing text, dimensions, leaders, and tables, as well as markup functions and a few annotation-scaling tools.

 Parametric: Serves as the home base of one of AutoCAD’s most powerful features. You can apply geometric or dimensional parameters or constraints (rules of behavior) to drawing objects so that, say, two circles always are the same distance apart or the length of a rectangle is always twice its width. I introduce parametric drawing in ssss1.AutoCAD LT is limited when it comes to parametrics. You can modify or delete existing constraints, but you need the full version of AutoCAD to create them.