Glossary

Definitions of terms used in Mimir.

A

Ambient Light: The base lighting level for a map (bright, dim, or dark). Affects what characters can see before accounting for light sources.

B

Blackout: A mode that hides everything from the player display. Used for dramatic reveals or setup.

C

Campaign: A collection of modules, characters, and documents representing a D&D adventure series.
Campaign Dashboard: The main interface for managing a campaign, with tabs for Campaign, Modules, NPCs, and PCs.

D

Darkvision: A character trait allowing sight in darkness as if it were dim light. Common among elves, dwarves, and other races.
Document: A text entry for notes, descriptions, or session prep. Can be attached to campaigns or modules.

E

Encounter Tag: A label for grouping monsters by location or encounter (e.g., “Cave Entrance”, “Boss Room”).

F

Fog of War: System that hides map areas outside PC vision. Reveals as characters move.

G

Grid: The square overlay on maps representing 5-foot spaces. Configurable size and offset.

L

Light Source: An object that creates illumination on the map (torch, lantern, candle). Affects fog of war.
LOS (Line of Sight): Calculation determining what characters can see based on walls and obstructions.

M

Module: A self-contained adventure within a campaign. Contains maps, monsters, NPCs, and documents.
Monster: A creature from the D&D catalog added to encounters. Has stats, actions, and abilities.

N

NPC (Non-Player Character): A character controlled by the DM. Can be simple (name and description) or full stat block.

P

PC (Player Character): A character controlled by a player. Created with full stats using the character wizard.
Play Mode: The interface for running game sessions. Includes map display, monster stats, and session notes.
Player Display: A second window showing what players see. Applies fog of war and hides DM information.

R

Reveal Map: A toggle that shows the entire map to players, bypassing fog of war.

S

Session Notes: Auto-saving text area in Play Mode for tracking HP, initiative, and events.

T

Token: A visual representation of a creature or object on the map. Can be moved and configured.
Token Palette: The panel showing available tokens to place on a map.
Token Setup: The modal for placing and configuring tokens on a map before play.

U

UVTT: Universal Virtual Tabletop format. Map files that include grid and wall data.

V

Vision Radius: How far a character can see, affected by darkvision and light sources.
Viewport: The visible area of the map. Can be synced between DM and player display.