When the Atom Name Lists button is pressed, two browsers appear in place of the drawing and coloring method controls. These are used to list the available keywords and values for use in choosing atoms for the selected views. The left browser contains a list of the keywords and functions understood by the selection command. If a keyword is selected which can take on a value (for instance, name and index), then the possible names will be displayed in the rightmost browser. The functions can be identified by the ( to the right of the name. After selecting a keyword, the right browser will display all the names associated with the keyword. For example, selecting resname in the left browser will show all the three-letter residue names known for the selected molecule.
Clicking on a field in the value browser will add it to the selection text field. Double clicking a keyword field adds the keyword to the text field. A double click is used so that the single click is available for simple viewing of the possible keyword values.