#$ Define {alias 0;6}{alias 1;6}search fields, which are categories of information containing a group of words or phrases just like {alias 2;5}index keywords. The user can select from a list of entries. The use of fields is demonstrated in How–To 11.2.

Use numeric data, as well as characters, within fields. This lets the user {alias 0;6}{alias 1;6}search on values such as dates or numbers. The author defines fields such as birth dates, ages, or weights that  can be used in the {alias 0;6}{alias 1;6}search criteria. The numbers must be in the proper format to be interpreted properly. The standard formats supported by Viewer are described at the end of How–To 11.2, which demonstrates the use of data types.

Use aliases to define alternate versions of words or phrases in your text. This could include alternate names (Samuel Clemens for Mark Twain) or alternate formats of text required for numeric fields (07/04/1776 for {alias 3;12}July 4, 1776 or American Independence Day). Aliases can also be used to associate searchable text with pictures or multimedia elements. Aliases are usually assigned to fields. The use of aliases is demonstrated in How–To 11.3.

Define topic groups that the user can select from to limit the scope of a search operation. They do not have to be the same groups used for Browse operations, but may include Browse groups if desired. A topic can be included in more than one Searchable group. The use of Searchable topic groups is demonstrated in How–To 11.4.

# {vfld11}search{vfld},{vfld11}find{vfld}, {vfld11}index{vfld}