To Define a Symbol
1. On the Annotate tab click the arrow next to Symbol.
2. Click Symbol Gallery. The SYM GALLERY menu displays the following:
Define—Defines a new symbol.
Redefine—Redefines an existing symbol.
Delete—Deletes a symbol definition from the drawing.
Write—Stores a symbol to disk.
Symbol Dir—Changes a symbol directory.
Show Name—Shows the name and directory path of a symbol whose instance you picked on a drawing.
3. Click Define.
4. Specify the name of the symbol.
5. Specify geometry to be included in the symbol.
6. For generic symbols, create a tree definition structure.
7. Define symbol attributes.
8. Specify the origin or leader attachment point.
9. If variable text is present, type the default text.
10. Store the symbol to disk.