Wingspan's accessibility is partially built on the clarity of its iconography. The food die faces correspond to food tokens that correspond to habitat food generation symbols. The activation symbols on bird powers are standardized across the entire card set. New players can decode card text with reference to a single legend.
This iconographic consistency is a design achievement that other games in the same weight category do not match. Terraforming Mars, for all its excellence, requires memorizing dozens of distinct card icons before play feels fluid. Wingspan's visual language is learnable in ten minutes and readable thereafter.
For game designers: Wingspan's approach to iconography is the correct model for games aimed at mixed-experience groups. Consistency over variety in symbols. Every symbol represents exactly one concept. Visual language that teaches itself.