Part I: Games & Gaming · Slot Machines & Electronic Gaming

Symbol

Slot Mechanics

The graphical icon displayed on slot reels that determines winning or losing outcomes. Symbols are categorized into standard symbols (typically low-paying and high-paying regular icons) and special symbols (wilds, scatters, bonus symbols). The distribution and weighting of symbols across the virtual reel strips directly determine the game’s hit frequency, volatility, and RTP. Each symbol has a specific probability of appearing on each reel position, as documented on the PAR sheet. Surveillance teams should note that symbol substitution disputes occasionally arise when players misidentify similar-looking symbols.

In practice

Classic slots use traditional symbols (7s, bars, fruits, bells). Modern video slots use themed symbols specific to the game’s narrative.

One entry from the Casino Industry Glossary — 1,157 terms written for surveillance, compliance and operations professionals rather than for players. Definitions describe industry usage; where a term carries a regulatory meaning, verify against the instrument that governs your jurisdiction.