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Lines with arrowheads that show distance relationships between features on a drawing are called "leader lines." Leader lines are used to indicate dimensions or distances between different points or objects on a diagram or blueprint. These lines typically have arrowheads at each end to clearly show the direction of measurement or the extent of a feature.
Leader lines are commonly used in technical drawings, architectural plans, engineering diagrams, and other types of illustrations where precise measurements and relationships between elements need to be communicated visually. By using leader lines, designers and drafters can provide clear and accurate information about the size, position, and alignment of various components within a drawing.
In summary, the correct term for lines with arrowheads that indicate distance relationships on a drawing is "leader lines." These lines play a crucial role in conveying dimensional information and ensuring clarity in technical illustrations and design plans.
