It is responsible for most of the effects of the trait. Trait buffs are buffs that are given to a Sim once a trait has been added. The duration of the moodlet can be set by adding a 'temporary_commodity_info' setting. Other core components are the buff name, buff description and icon. These are the buffs that are immediately visible to players and effect much of the game.
Moodlets are visible buffs that contribute to a Sim's mood. Additionally, invisible buffs can be used to add temporary effects or used as a timer (e.g.
A visible buff typically contributes to a mood, such as a playful buff. A buff can be used to add a temporary effects to sims.
