记 + Noun (compound) / Standalone
The noun 记 (jì) means "mark," "record," or "note." It can refer to a written record, a symbol, or a sign indicating something. It often appears in compounds like 标记 (marker) or 记号 (sign). For example, 地图上记的地点 means "the location marked on the map."
老师在作业上做了一个红色的记号。
lǎoshī zài zuòyè shàng zuò le yī gè hóngsè de jìhao.
The teacher made a red mark on the homework.
他在地图上标了记,方便以后找到这个地方。
tā zài dìtú shàng biāo le jì, fāngbiàn yǐhòu zhǎo dào zhège dìfang.
He marked the map to make it easier to find this place later.
这本书的空白处写满了她的笔记。
zhè běn shū de kòngbái chù xiě mǎn le tā de bǐjì.
The margins of this book are filled with her notes.