Definitions - Definitions Miscellaneous constant definitions, usually providing symbolic names for otherwise inscrutable numbers, which are used throughout the template layer.

Startup - Startup How the program starts up, in a Basic Inform project.

Utilities - Utilities Miscellaneous utility routines for some fundamental I6 needs.

Paragraphing - To manage the line skips which space paragraphs out.

Mathematics - Mathematics Mathematical functions which involve integers.

Sort - Sort To sort arrays.

Tables - Tables To read, write, search and allocate rows in the Table data structure.

MStack - MStack To allocate space on the memory stack for frames of variables to be used by rulebooks, activities and actions.

Rulebooks - Rulebooks To work through the rules in a rulebook until a decision is made.

Activities - Activities To run the necessary rulebooks to carry out an activity.

Printing - Printing To handle the printing of names of objects.

Flex - Flex To allocate flexible-sized blocks of memory as needed to hold arbitrary-length strings of text, stored actions or other block values.

BlockValues - BlockValues Routines for copying, comparing, creating and destroying block values, and for reading and writing them as if they were arrays.

Kinds - Kinds An API for handling values within the Inform 7 system of kinds.

Text - Text Code to support the text kind of value.

Char - Char To decide whether letters are upper or lower case, and convert between the two.

RegExp - RegExp Code to match and replace on regular expressions against indexed text strings.

Lists - Lists Code to support the list of... kind of value constructor.

Combinations - Combinations Code to support the combination kind of value constructor.

RelationKind - Relation Kind Code to support the relation kind.

Relations - Relations To manage run-time storage for relations between objects, and to find routes through relations and the map.

Properties - Properties Runtime access to property values.

RTP - RTP To issue run-time problem messages, and to perform some run-time type checking which may issue such messages.