From OHRRPGCE-Wiki

This is the first menu you see in Custom when you open a game. It is the central "hub" from which you can edit various parts of your game.

[edit] Edit Graphics

This takes you to the Graphics menu. This editor allows you to modify all the sprites and other graphics in your game.

[edit] Edit Map Data

This takes you to the Map selection screen. This editor allows you to create and change the maps in your game.

[edit] Edit Global Text Strings

This takes you to the Global Text Strings editor, where you can edit all the custom strings that your game uses.

[edit] Edit Hero Stats

This takes you to the Hero editor, where you can define the heros who will star in your game.

[edit] Edit Enemy Stats

This takes you to the Enemy editor, where you can create the monsters and other enemies to battle your heros.

[edit] Edit Attacks

This takes you to the Attack editor, where you can create new attacks for your heros and enemies to use.

[edit] Edit Items

This takes you to the Item editor, where you can set up the items that your heros will use.

[edit] Edit Shops

This takes you to the Shop editor, where you can create and stock the items (and inns, and...) that your hero will be visiting.

[edit] Edit Battle Formations

This takes you to the Battle Formation menu. From there, you can configure battle formations and formation sets.

[edit] Edit Textboxes

This takes you to the Textbox editor, where you can create all the dialog in the game.

[edit] Edit Menus

This takes you to the Menu editor, where you can alter the main menu and create your own menus.

[edit] Edit Vehicles

This takes you to the Vehicle editor, where you can create the vehicles and whatnot that your hero can ride.

[edit] Edit Tag Names

This takes you to the Tag editor, where you can set the names for all the tags in the game.

[edit] Import Music

This takes you to the Music editor, where you can import and name all the songs in the game.

[edit] Import Sound Effects

This takes you to the Sound effects editor, where you can import and name all the sound effects in the game.

[edit] Edit Font

This takes you to the Font editor, where you can edit the font that the game uses.

[edit] Edit General Game Data

This takes you to the General Game Data editor, where you can set the various bitsets and options for the game.

[edit] Script Management

This takes you to the Script Management menu. From there, you can export your HSI file, or import a compiled plotscript.

[edit] Quit Editing

Takes you to the Quit menu