---
title: Reference
keywords: Reference
last_modified_date: 26 November 2015
nav_order: 0.61
has_children: true
---

[Menus](menus.md){: .subpage}

[Toolbars](toolbars.md){: .subpage}
 - [Advanced drawing tools](toolbars.md#advanced-drawing-toolbar)

[Settings](settings.md){: .subpage}
Adjusting the program to your preferences.

[CRT files](crt_files.md){: .subpage}
Providing rules for assigning symbols.

