landmark
地标（路标）：寻路与空间设计语境中指环境中显著、独特的特征（建筑、标识、雕塑、色彩变化等），作为导航线索帮助人们定位并触发转弯决策。
English Definition
"In wayfinding and spatial design, a salient, distinctive feature of an environment (e.g., a building, sign, statue, color change) that serves as a navigational cue, helping people orient themselves and trigger turn-taking decisions along a route."
用法说明 · 针对中文母语者
在 web/iOS 无障碍设计中 'landmark' 也是 ARIA/WCAG 标准术语（如 navigation、main、banner 等区域角色），含义相通——为辅助技术提供可识别的导航锚点。
真实用例 · 3 条
"The two most important ones are a landmark based strategy in which an individual learns that a particular landmark indicates a turn (e.g., turn left at the sweet shop)"
"In one of the first theories of wayfinding, Siegel and White (1975) emphasised the importance of landmarks by arguing that landmarks were the first elements that children learnt visually when encoding a route."
"Siegel and White (1975) emphasised how a landmark would cue a turn, so that when a child saw a specific landmark along a route he/she would know which turn to make next."