Trait: A trait is a specific characteristic or attribute that can be inherited or acquired by an individual. For example, hair color is a trait that varies from person to person.
Attribute: An attribute is a characteristic or quality that helps describe or identify something. In geography, attributes can include physical features (e.g., mountains) or cultural aspects (e.g., language).
Indicator: An indicator is a specific characteristic used to measure and represent broader concepts. For instance, GDP per capita can serve as an indicator of economic development in different countries.