
Marker
Color Coding
Markers are often used to color code information for better visual sorting and memory retention.

She color-coded her notes with blue and green markers.
Non-Washable
Many markers, especially permanent ones, cannot be washed off easily, so be careful with their use.

Use a whiteboard marker here, not a permanent marker.
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ChalkCrayonHighlighterPaintbrushPenPencil
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